8 th Grade 1 st Semester Review The Nature of the Beast

VocabularyGeologyPhysicsEcologyRandom I Random II Final Jeopardy

Looking at the list of properties, which ones are chemical properties? color, density, flammable, shape, reactive 1.Color, density, and shape 2.Flammable and reactive 3.Color and reactive 4.Density, flammable, and shape Chemistry 100

What is this? 6CO 2 +6H 2 0 > C 6 H

What is the fish?

What kind of wave?

What is this?

When you plug this into a power outlet, the electrical energy is transformed into what type of energy?

Which of the following hypotheses would be from an experiment testing energy added or removed by a chemical change? 1.If we heat water and change it to a gas, then it can be collected into a liquid 2.If we heat an ice cube, then it will melt faster. 3.If we heat water and add salt, then the salt will dissolve faster. 4.If we heat vinegar and add baking soda, then it will react faster. Chemistry 200

Which of the following is NOT an observable evidence of a physical change? 1.Change in odor 2.Change in phase 3.Change in shape 4.Change in size Chemistry 300

What are the reactants in the following chemical reaction: 6CO 2 + 6H 2 O → C 6 H 12 O 6 + 6O 2 1.CO 2 & H 2 O 2.H 2 O & C 6 H 12 O 6 3.C 6 H 12 O 6 & O 2 4.CO 2 & O 2 Chemistry 400

Which of the following is NOT a common chemical reaction involving oxygen from the atmosphere? 1.Rust 2.Respiration 3.Reduction 4.Photosynthesis Chemistry 500

What are two reasons why sedimentary rock layers aren’t always layered with the youngest on top and oldest on bottom? 1.Slipping and Sliding 2.Erosion and Cleaving 3.Folding and Faulting 4.Deposition and Fracture Geology 100

How are igneous rocks changed to metamorphic rocks? 1.Energy from melting and cooling 2.Energy from Weathering, Erosion, Deposition, and Sedimentation 3.Energy from Heat and Pressure 4.Energy from the sun Geology 200

What characteristics help to identify a sedimentary rock? 1.Holes, glass like, and large crystals 2.Pieces of sand or clay, layers, and fossils 3.Naturally occurring, inorganic, and solid 4.Hard, stripes, and small crystals in lines Geology 300

What geologic feature is caused by a constant deposition of weathered rock material over a long period of time? 1.Boulders made of igneous rock 2.Layers of igneous rock 3.Boulders made of metamorphic rock 4.Layers of sedimentary rock Geology 400

Paleontologists find fossils and study them to identify similarities between living and extinct organisms. How is a fossil made? 1.Plant and animal remains are covered in mud and minerals replace the tissues 2.Plant and animal remains are decomposed by bacteria leaving behind only minerals 3.Rocks around plant and animal remains change to look like the remains 4.Minerals around plant and animal remains change to look like the remains Geology 500

What part of a bicycle requires friction to move and turn the bicycle? 1.Handle Bars 2.Pedals 3.Gears 4.Tires Physics 100

Which list orders the mediums by the speed that waves travel through them from fastest to slowest? 1.Gas, Solid, and Liquid 2.Gas, Liquid, and Solid 3.Solid, Gas, and Liquid 4.Solid, Liquid, and Gas Physics 200

Which list orders the energy types properly from where it starts in nature to where it ends in nature? 1.Mechanical, solar, and chemical 2.Solar, chemical, and mechanical 3.Chemical, solar, and mechanical 4.Mechanical, chemical, and solar Physics 300

What two kinds of energy are transferring back and forth to each other when a ball bounces on the ground? 1.Friction and Mechanical 2.Potential and Kinetic 3.Potential and Friction 4.Kinetic and Friction Physics 400

What produces motion for an object? 1.unbalanced forces 2.balanced forces 3.frictional forces 4.moving forces Physics 500

Why would a herpetologist and a biochemist study the same struggling ecosystem at the same time? 1.They both want to find an answer to the same problem. 2.They both need to count how many different species exist in the area. 3.They are both scientists and must love the environment more than most people. 4.They are both focusing on different things and can find different information to help. Ecology 100

Is the statement, “the extreme change in population of frogs has caused drastic problems” an inference or evidence? 1.Evidence, because it’s an opinion based on what they know 2.Inference, because it’s an opinion based on what they know 3.Evidence, because it’s an observation or data that help to make a conclusion 4.Inference, because it’s an observation or data that help to make a conclusion Ecology 200

Which of the following factors would cause a plant in a sealed jar to NOT grow properly and eventually die? 1.Oxygen was removed from the jar 2.Temperatures were at 25 o C/70 o F 3.Jar and plant were placed in a dark closet 4.10 ml of water was added each week Ecology 300

What is the job of scientists during a time when people are arguing about allowing a species of animal to go extinct? 1.Scientists never let a species of animal go extinct 2.Scientists vote to see what should happen with the species of animal 3.Scientists study the problem to find how the ecosystem will be affected 4.Scientists allow government officials to form opinions to decide what should be done Ecology 400

Which human activity would be the most disruptive to food webs in an ecosystem? 1.Poaching animals without controls 2.Spraying crops for insects 3.Cutting grass with a lawnmower 4.Reducing the number of natural forest fires Ecology 500

Which organism makes it own food using the energy from the sun? 1.Consumer 2.Predator 3.Prey 4.Producer Random I 100

What kind of rock is made from melting and cooling? 1.Sedimentary 2.Metamorphic 3.Igneous 4.Micah Random I 200

What two particles make up the nucleus of an atom? 1.Electron and Proton 2.Proton and Neutron 3.Neutron and Trion 4.Trion and Electron Random I 300

Which describes the measurement of a wave from the middle to the crest/trough? 1.Amplitude 2.Frequency 3.Period 4.Wavelength Random I 400

What is the order of the three kinds of waves that come from an earthquake? 1.S wave, P wave, and Surface wave 2.Surface wave, S wave, and P wave 3.P wave, S wave, and Surface wave 4.Surface wave, P wave, and S wave Random I 500

What sound does this animal make? 1.Baa 2.Moo 3.Nay 4.Oink Random II 100

Where’s Waldo? 1.A 2.B 3.C 4.D Random II 200 A C D B

Which of the following movies is not produced by Walt Disney Pictures? 1.Remember the Titans 2.Cars 3.Meet the Robinsons 4.Antz Random II 300

Which of the following teachers is NOT at our school? 1.Murphy 2.McLean 3.McDonald 4.Morrison Random II 400

How many insects are in this picture? Random II 500

Final Jeopardy Topic Take this time to set a wager for how much this question will be worth. Scientists

Final Jeopardy Name the kinds of scientists that study the following topics: - Chemistry - Rocks and Minerals - Ecosystems - Animals

Final Jeopardy Answers 1 - Chemists 2 – Geologists 3 – Ecologists 4 - Zoologists