Mystery Detectives TechnoStars Lab

Mystery Detectives TechnoStars Lab
Copyright © 2002 Glenna R. Shaw and FTC Publishing All Rights Reserved

Mr. Vanish Is the Victim of Foul Play!
CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Mr. V has disappeared. Can you solve the mystery?

The Suspects and Weapons
Speed Mr. Teal Mr. Late Ms. Leather Pinky Mrs. Teal Ax Poison Cleaver Scissors Pistol Handcuffs

Get A Clue 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 Select a question and answer it correctly to obtain valuable clues to solve the mystery.

Question 1- Which question below will result in an experiment that can be tested reliably?
*A. Will bean plants grow faster when they receive more fertilizer?* *B. Will bean plants grow faster when they receive more sunlight and more water? * *C. Will bean plants grow faster when they receive more fertilizer and more water? * *D. Will bean plants grow faster when they receive more fertilizer, more sunlight, and more water? *

Question 2 – Astronauts traveling to the moon must wear space suits having air tanks. Astronauts on the moon must breathe from air tanks because - *F. there is too much oxygen on the surface of the moon.* *G. the moon has little or no atmosphere.* *H. the moon’s atmosphere is thicker than that on the Earth.* *J. the moon’s atmosphere has more carbon dioxide than the Earth’s.*

Question 3 – When we look at a canyon like this, we see the results of -
*A. river erosion that took place over a few hundred years.* *B. river deposits that were added to the canyon walls over millions of years.* *C. weathering of canyon walls that took place over a few hundred years.* *D. river erosion and weathering that took place over millions of years.*

Question 4 – Oil, natural gas, and coal provide most of the energy we use today. How were these resources formed? *F. These renewable resources formed deep in the Earth from prehistoric plants and animals.* *G. These nonrenewable resources formed deep in the Earth from prehistoric plants and animals.* *H. These nonrenewable resources formed from magma deep in the Earth.* *J. These inexhaustible resources formed from magma deep in the Earth.*

Question 5 – Which of the following is an effect of the oceans on land?
*A. Coastal cities have a milder climate than nearby inland cities.* *B. Coastal cities have a dryer climate than nearby inland cities.* *C. Inland cities have a milder climate than nearby coastal cities.* *D. Coastal cities have more people than nearby inland cities.*

Question 6 – A student noticed that the size of Galveston Beach changed each day. Why does this happen? *F. Oceans have one high tide and one low tide every day.* *G. Oceans have two high tides and two low tides every week.* *H. Oceans have three high tides and three low tides every day.* *J. Oceans have two high tides and two low tides every day.*

Question 7 – Why is the water cycle vital to plants and animals living on land?
*A. Precipitation replaces water that is lost from oceans and lakes because of evaporation.* *B. Water vapor condenses to reduce evaporation from lakes and rivers.* *C. Groundwater is replaced by saltwater from the oceans.* *D. Evaporation from rivers and lakes adds water to the oceans.*

Question 8 – Which landform was most likely made by the process of deposition?
*F. an arch * *H. a cliff.* *J. a cave* *G. a beach.*

Question 9 – A stalactite is a feature that hangs like an icicle from the roof of a cavern. How do stalactites in limestone caverns most likely form? *A. Glaciers move through the cavern and deposit weathered limestone there.* *B. Water drips through cracks in the cavern roof and deposits limestone over time.* *C. Wind flows through cracks in the roof and weathers some of the limestone.* *D. An underground river flows through the cavern and dissolves some of the limestone.*

Question 10 – What part does the sun play in the water cycle?
*F. The sun causes ocean water to evaporate.* *G. The sun causes ocean water to disappear.* *H. The sun causes ocean water to condense.* *J. The sun causes ocean water to precipitate.*

Question 11 – Which of the following would be a way to prevent erosion?
*A. Plant grass on bare spots on your lawn.* *B. Cut down trees to make room for houses.* *C. Build a major highway through a forest.* *D. Plant many plants in pots in a greenhouse.*

Question 12 – All energy that influences weather and causes plants to grow comes from .
*F. the sun* *G. the Earth’s core* *H. the moon* *J. electricity*

Question 13 – What causes day and night on Earth?
*A. the Earth’s orbit around the sun* *B. the tilt of the Earth on its axis* *C. the movement of the moon* *D. the turning of Earth on its axis*

Question 14 – A student placed some clean rocks in a clear plastic jar filled with clean water. He put the lid on the jar and shook it for a few minutes. The student noticed that smaller pieces had broken off some of the rocks and that there was fine grit on the bottom of the jar. What change of the Earth’s surface was the student modeling? *F. creation of rocks* *H. weathering of rocks* *G. erosion of sediments* *J. forming of deltas*

Question 15 – How does the sun affect the winds that blow on the Earth?
*A. It provides food and energy for the trees.* *B. It puts water into the atmosphere of Earth.* *C. It warms the waters of the Earth’s oceans.* *D. It changes the temperature of the air.*

Question 16 – Soil is created when .
*F. earthquakes occur* *G. rocks are broken down* *H. it mixes with water* *J. glaciers melt*

Question 17 – Which gas in the atmosphere condenses to form clouds and rain?
*A. oxygen* *B. water vapor* *C. carbon dioxide* *D. nitrogen*

Question 18 – What would happen if the Earth stopped rotating?
*F. Half of the Earth would always be dark.* *G. The entire Earth would always be dark.* *H. The entire Earth would always be light.* *J. The sun would revolve around the Earth.*

Question 19 – An increase in the average level of carbon dioxide in the atmosphere is most likely caused by an increase in the — *A. extinction of animals* *B. plant life on Earth* *C. number of solar-powered homes* *D. number of large forest fires*

Question 20 – What type of energy does the sun provide?
*F. electrical* *G. lunar* *H. solar* *J. sound*

Question 21 – Plants grow best in soil that contains .
*A. oxygen and hydrogen* *B. pebbles and rocks* *C. organic materials* *D. living animals*

Question 22 – Which of these is an inexhaustible resource?
*F. gold* *G. coal * *H. trees* *J. wind *

Question 23 – To the people on Earth, the sun looks much larger than all the other stars. Why is this true? *A. The sun is much bigger than the other stars.* *B. The sun is closer to the Earth than the other stars.* *C. The sun looks big because the moon is so small.* *D. The Earth revolves slowly around the sun.*

Question 24 - An astronaut weighs less on the moon than on the Earth because the moon has less .
*F. magnetism* *G. density* *H. gravity* *J. atmosphere*

Question 25 – What causes the ocean tides on the Earth?
*A. The movement of the Earth around the sun* *B. The moon’s gravitational pull on the Earth* *C. The rotation of the moon around the Earth* *D. The Earth’s reflection of sunlight to the moon*

Question 26 – Which of these regions is most likely to have a moderate climate?
*F. land near a cold ocean current* *G. land that is not close to an ocean* *H. land near a glacier or an iceberg* *J. land near a warm ocean current*

Question 27 – Why is coal classified as a nonrenewable resource?
*A. It forms in a cycle over several years.* *B. It is easily mined from under the ground.* *C. It takes millions of years to form.* *D. It can be burned in furnaces and stoves.*

Question 28 - How long does it take the Earth to rotate once on its axis?
*F. about 365 days* *G. about 24 hours* *H. about 1 year* *J. about 29 days*

Question 29 – A sudden change in wind direction, air temperature, and cloud cover most likely signals a change in — *A. weather* *B. climate* *C. landforms* *D. seasons*

Question 30 – Why is it possible for astronauts in space to see the Earth and the moon from great distances? *F. The Earth and the moon reflect the sun’s light.* *G. The sun shines in the windows of the space craft.* *H. They view the Earth and moon through a telescope.* *J. They look at the Earth and moon with binoculars.*

Question 31 – What is deposition?
*A. the dropping of sediments by wind, water, or ice* *B. the wearing away of rocks by wind, water, or ice* *C. the washing away of soil by wind, water, or ice* *D. the movement of soil from one place to another*

Question 32 – Which process changes rocks to soil?
*F. erosion* *G. deposition* *H. breaking* *J. weathering*

Question 33 - What causes seasons on the Earth?
*A. the movement of the moon as it revolves around the sun* *B. the movement of the sun as the Earth revolves around it* *C. the tilt of the Earth on its axis as it revolves around the sun* *D. the orbits of other planets as they revolve around the sun*

Question 34 - It takes about a month for the moon to go through all of its phases because -
*F. the moon rotates once on its axis every month* *G. the moon revolves around the Earth once a month* *H. the sun makes one full orbit around the Earth monthly* *J. the Earth revolves around the sun once a month*

Question 35 – In order from the sun, the fifth planet is —
*A. Earth* *B. Venus* *C. Saturn* *D. Jupiter*

Question 36 – What object follows the same orbit as Earth orbiting the sun?
*F. Mercury* *G. The moon* *H. Jupiter* *J. The sun*

Question 37 – A student wanted to test how much moisture a plant needs for good growth. What is the independent variable in this investigation? *A. The amount of water* *B. The amount of soil* *C. The type of soil* *D. The amount of light*

Question 38 - When it is winter in the Southern Hemisphere, it is summer in the .
*F. Western Hemisphere* *G. Southern Hemisphere* *H. Eastern Hemisphere* *J. Northern Hemisphere*

Question 39 - How does sediment change to rock?
*A. The sediment erodes and changes to rock.* *B. The layers of sediment press down together.* *C. The sediment weathers and changes to rock.* *D. The sediment is hardened by volcanic action.*

Question 40 – The sun and the nine planets compose —
*F. a comet* *G. a system* *H. a galaxy* *J. an orbit*

Question 41 – Astronauts who travel to the moon must wear spacesuits containing air tanks. What would be the most important reason for doing this? *A. The suits protect the astronauts from the rays of the sun.* *B. The suits protect the astronauts if they fall down.* *C. The spacesuits contain oxygen for the astronauts.* *D. The spacesuits keep the astronauts from getting too hot.*

Question 42 – More and more solar power is being used in a variety of ways. What is solar power?
*F. A natural resource that formed millions of years ago* *G. An inexhaustible resource that formed with the Solar System* *H. A renewable resource that forms from burning down trees* *J. An inexhaustible resource that formed hundred of years ago*

Question 43 - What happens when Earth’s plates grind past each other along fault lines?
*A. An earthquake shakes the Earth.* *B. A volcano erupts on the Earth.* *C. A valley is created on the Earth.* *D. A glacier melts and causes erosion.*

Question 44 - If you travel from the South Pole to the equator, why does the climate become warmer?
*F. the sun’s rays are less direct at the equator* *G. the sun’s rays are more direct at the equator* *H. the equator does not get much precipitation* *J. the Earth has moved closer to the sun *

Question 45 – The great majority of the Earth’s surface is covered by —
*A. rocks* *B. soil* *C. water* *D. sand*

Question 46 – All of the following are effects of flowing water EXCEPT —
*F. The movement of rocks and soil* *G. The formation of glaciers* *H. The formation of canyons and deltas* *J. The erosion of river and stream banks*

Question 47 – Barrier islands are sandbars along the coast of Texas
Question 47 – Barrier islands are sandbars along the coast of Texas. These islands most likely formed when— *A. a large hurricane deposited sand during the early 1800’s* *B. ocean currents eroded sand from the coast for a few years* *C. ocean currents deposited the sand over millions of years* *D. tornadoes deposited the sand over millions of years*

Question 48 - A large, slow-moving sheet of ice is called .
*F. an iceberg* *G. a plate* *H. a glacier* *J. an earthquake*

Question 49 - As clouds cool off, small drops of water join together to form .
*A. small drops* *B. snowflakes* *C. puddles* *D. larger drops*

Question 50 – Planets move in a curved path around the sun called —
*F. an ellipse* *G. a track* *H. a circle* *J. an orbit*

Question 51 – The process by which light is sent back from an object is called —
*A. magnification* *B. refraction* *C. symmetry* *D. reflection*

Question 52 – A delta often forms where a river flows into an ocean
Question 52 – A delta often forms where a river flows into an ocean. Why do deltas continue to grow indefinitely? *F. The ocean weathers away the soil on the delta.* *G. The ocean is depositing sediments on the delta.* *H. Many rivers erode sediments from the delta.* *J. The rivers are depositing sediments on the delta.*

Question 53 - The grinding action of glaciers causes .
*A. the creation of new landforms* *B. water in the oceans to dry up* *C. flooding around the world* *D. earthquakes in cold places*

Question 54 - As the population of the Earth increases, what might happen to the nonrenewable resources we use now? *F. They might be used up someday.* *G. Nothing will happen to these resources.* *H. New resources will be found.* *J. They will be become more plentiful.*

Question 55 – What tool would be used to observe the moon in the night sky?
*C.* *B.* *D.*

Question 56 – Landforms, such as canyons and mountains, result from —
*F. destructive forces such as volcanoes and weathering* *G. constructive forces such as deposition and building* *H. a combination of constructive and destructive forces* *J. a combination of weathering, erosion, and deposition*

Question 57 – The rock pictured below contains many fossils
Question 57 – The rock pictured below contains many fossils. This rock is most likely an example of . *A. a sedimentary rock* *C. an igneous rock* *B. a metamorphic rock* *D. a fossil rock*

Question 58 - A glacier is like sandpaper because it .
*F. presses down on the Earth’s surface* *G. scratches and grinds other materials* *H. collects rocks and soil over the Earth* *J. helps form valleys and mountains*

Question 59 - Which of these would be the most likely cause of the ground opening in large cracks in a matter of seconds? *A. a long drought* *B. an earthquake* *C. a heavy rain* *D. a large wave*

Question 60 – What causes a full moon to look different than a first quarter moon?
*F. The amount of sunlight reflected by the moon’s surface* *G. The amount of sunlight reflected by the Earth’s surface* *H. The amount of sunlight reflected by the other planets* *J. The amount of sunlight reflected by the asteroid belt*

Question 61 – What is the most important reason that soil is described as a natural resource?
*A. Soil provides oxygen for plants.* *B. Soil has dead organisms in it.* *C. Soil absorbs most precipitation.* *D. Most plants need soil for survival.*

Question 62 – Which of the following is NOT true about glaciers?
*F. Melting glaciers supply water for many people.* *G. Most of Earth’s water is in the form of glaciers.* *H. Glacial movements can leave behind valleys.* *J. Glaciers pick up sediments as they move.*

Question 63 - How are an earthquake and a glacier alike?
*A. They both cause the Earth to shake violently.* *B. They are both destructive forces that work very quickly.* *C. They both change the surface of the Earth.* *D. They are both caused by movements of crustal plates.*

Question 64 - All of the following are types of rock EXCEPT .
*F. metamorphic* *G. sedimentary* *H. fragmentary* *J. igneous*

Question 65 – What might happen to the solar system if there were no gravity?
*A. The planets would drift off to space in a straight line.* *B. The planets would freeze and not move any more.* *C. The planets would remain in orbit around the sun.* *D. The planets would move in exactly the same way.*

Question 66 – All of the following forces can change the Earth’s surface EXCEPT —
*F. reflection* *G. erosion* *H. deposition* *J. weathering*

Question 67 - When water enters a crack in a rock and then freezes, what might possibly happen to the rock? *A. The rock will get harder due to the ice.* *B. The rock might change to an igneous rock.* *C. The crack might get larger and split the rock.* *D. The crack might be filled with water and ice.*

Question 68 - A student conducted an investigation to see how glaciers work. The experiment analyzed the effects on a rock of a plain ice cube and an ice cube containing sand. What effect did the sandy ice cube have on the rock? *F. The sandy ice cube did not change the rock in any way.* *G. The sandy ice cube created a valley on top of the rock.* *H. The sandy ice cube melted faster than the plain one.* *J. The sandy ice cube scratched the rock like a glacier does.*

Question 69 – The sun is composed of—
*A. cold rock* *G. hot gases* *H. frozen water* *J. nuclear reactions*

Question 70 – To which planet is Earth the closest?
*F. Mars* *G. Mercury* *H. Jupiter* *J. Saturn*

Question 71 – Which factor does not affect weather on the Earth?
*A. heat from the sun on the Earth* *B. the amount of soil on the Earth* *C. rain from the water cycle* *D. the pressure of the air*

Question 72 - is the melted rock that comes out of a volcano.
*F. magnet* *G. granite* *H. marble* *J. lava*

Question 73 - The process of breaking up rocks on Earth’s surface is called .
*A. weathering* *B. erosion* *C. deposition* *D. condensing*

Question 74 – The size of a planet’s orbit is determined by .
*F. how big or small the planet is* *G. how hot or cold the planet is* *H. the distance of the planet from the sun* *J. the distance between the planet and its moon*

Question 75 – The moon is kept in orbit around the Earth mainly by the force of—
*A. friction* *B. gravity* *C. rotation* *D. revolution*

Question 76 – Water droplets forming on the outside of a cold glass is an example of —
*F. evaporation* *G. precipitation* *H. condensation* *J. perspiration*

Question 77 - Like the Earth, scientists believe the moon’s inner core is made mostly of .
*A. nickel* *B. iron* *C. nitrogen* *D. hydrogen*

Question 78 - The process by which rocks and soil are carried away to other places by wind, water, or other means is called . *F. evaporation* *G. erosion* *H. respiration* *J. transpiration*

Question 79 - Which of these would best model how the sun’s energy warms the Earth?
*A. a heat lamp keeping food warm* *B. a pot of water boiling on the stove* *C. an oven baking bread* *D. a spoon getting hot when stirring soup*

Question 80 – Sunspots on the sun appear as dark spots because they are —
*F. hotter than the rest of the sun’s surface* *G. melted substances on the sun’s surface* *H. cooler than the rest of the sun’s surface* *J. icy spots on the surface of the sun*

Jolly Good! The Family Room The Dressing Room The Study The Bedroom The Living Room The Kitchen You’ve earned a clue. Go to a room to state your suspicions or make an accusation.

The Culprit Just Slipped Past You!
Miss a turn to recover your wits. Get A Clue

The Family Room Who? With? Solve the Mystery Get A Clue Mr. Late
Ms. Leather Speed Pinky Mr. Teal Mrs. Teal Who? Solve the Mystery Get A Clue With? Ax Poison Cleaver Pistol Scissors Handcuffs

The Study Who? With? Solve the Mystery Get A Clue Mr. Late Ms. Leather
Speed Pinky Mr. Teal Mrs. Teal Who? Solve the Mystery Get A Clue With? Ax Poison Cleaver Pistol Scissors Handcuffs

The Dressing Room Who? With? Solve the Mystery Get A Clue Mr. Late

The Bedroom Who? With? Solve the Mystery Get A Clue Mr. Late

The Living Room Who? With? Solve the Mystery Get A Clue Mr. Late

The Kitchen Who? With? Solve the Mystery Get A Clue Mr. Late

You’ve Solved the Case! Congratulations! You’re a super sleuth!
CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Congratulations! You’re a super sleuth!

Mystery Detectives TechnoStars Lab

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