The diagram shows the motion of a boat over a period of time The diagram shows the motion of a boat over a period of time. How far, in meters, did the boat travel in the first 3 seconds of motion? Record and bubble in your answer to the nearest whole number on the answer document.

27 In which container will the water evaporate most quickly? F H G J

A freezing rates are the same in each trial 21 The table shows the time it took to freeze water in two different salt solutions with different salt content. According to the table — A freezing rates are the same in each trial B water with more salt takes longer to freeze C water loses heat at a rate of 1°C per minute D salt dissolves more quickly in small amounts of water Freezing Rates Solution Trial 1 Trial 2 Trial 3 50 mL water 45 min 43 min 47 min and 5 g salt 70 min 75 min 82 min and 10 g salt 120 min 125 min 119 min

18. This diagram represents water in a container. What process is 18 This diagram represents water in a container. What process is taking place? A Freezing B Condensation C Melting D Evaporation

1 Which object requires the most force to move a distance of 1 meter? A Bird feather B Rubber ball C Block of cement D Block of wood Masses of Objects Bird feather Rubber ball Block of cement wood 0.01 g 1 g 10 g 14 g

Students placed two identical toy cars on these wooden ramps Students placed two identical toy cars on these wooden ramps. The students let the cars roll down the ramps. 2 What causes these cars to move down the ramps? A Electricity B A force that pulls C Magnets D A force that lifts

3. A car will skid more on a wet road than on a dry road. This 3 A car will skid more on a wet road than on a dry road. This happens because between the tires and the dry road, there is more — A gravity B magnetism C friction D heat

4 The picture shows different points along a toy rocket’s path after it blasted off. How much height did the rocket gain between Points Q and R?

5 Which force is most responsible for raindrops falling to Earth? F Friction G Wind H Thrust J Gravity

6 The picture shows the process of — F melting G boiling H condensing J freezing

7 If the person in the middle lets go of the rope, in which direction would objects X and Y go? A X up, Y up B X up, Y down C X down, Y down D X down, Y up

Landfill X Landfill Y 8 The diagram shows landfills where two communities put garbage. What is the advantage of Landfill Y? F The waste lasts longer. G The groundwater is safer. H The soil contains more nutrients. J The trucks move faster.

9. The picture shows two bowling balls being held in 9 The picture shows two bowling balls being held in position with four ropes. The box will be flipped upward if which rope is cut? A W B X C Y D Z

10 Which of these is a good conductor of electricity? F Glass G Metal H Rubber J Plastic

11 Which of the following can be attracted to a magnet? F Gold ring G Glass marble H Iron needle J Wool sock

12 Matter can undergo changes. When water boils, a — F liquid becomes a solid G solid becomes a liquid H liquid becomes a gas J gas becomes a solid

13. In an experiment salt and sand are mixed together 13 In an experiment salt and sand are mixed together. Which of these procedures could be used to most easily separate the salt from the sand? A C B D • stir the mixture into a glass of water • pour the mixture in the glass through a filter • evaporate the water • put the mixture in a pan • heat the pan for 10 minutes • let the hot mixture cool slowly • spread the mixture into a thin layer • look at the mixture through a magnifying glass • separate the crystals with a pin • pour the mixture onto a piece of paper • brush the mixture into a pile • drag a magnet through the pile

14. Carbon powder and iron filings are both black powders. When 14 Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water

15. A company collects cans for recycling. Some cans are made of 15 A company collects cans for recycling. Some cans are made of aluminum, and some are made of iron. Which of the following is the best way to separate the two types of cans? A Heat the iron cans until they melt B Use scissors to cut the cans C Use a magnet to pick up the iron cans D Float the cans in water

16. A student places a sugar cube in a beaker of water. What change 16 A student places a sugar cube in a beaker of water. What change will occur? A The sugar cube will not change. B More water will be formed. C The sugar cube will become smaller. D The water will form crystals

17. In an activity, 20 grams of salt are dissolved in 70 grams of pure 17 In an activity, 20 grams of salt are dissolved in 70 grams of pure water. The water is then heated on a hot plate. When the water evaporates completely, how much salt will be left? A 0 grams B 18 grams C 20 grams D 22 grams

18 Crystals were grown on a string in a clean glass jar containing sugar dissolved in hot water. The crystals grew on the string for several weeks. What kind of crystals are they? F String G Water H Glass J Sugar

19. A teaspoon of clean, dry sand is added to a cup of warm saltwater 19 A teaspoon of clean, dry sand is added to a cup of warm saltwater. What is most likely to happen after the mixture is stirred and then placed on a table for five minutes? A The amount of water will increase. B The salt will float to the top. C The sand will settle to the bottom. D The cup will heat up.

20. Which of the following thermometers shows the boiling point of 20 Which of the following thermometers shows the boiling point of water in a pan? F G H J

21. When a chocolate bar is heated by the sun, all of the following 21 When a chocolate bar is heated by the sun, all of the following are likely to be seen EXCEPT — F boiling G a liquid H melting J a change in shape

22. Some students were studying properties of water. One student 22 Some students were studying properties of water. One student placed a cup containing 80 mL of water in a freezer. Another student placed an identical cup containing 40 mL of water in a different freezer. Which of the following will be the same for both cups of water? A The temperature at which the water freezes B The mass of the frozen water C The time it takes the water to freeze D The volume of the frozen water

23. What two forms of energy does a flame from a burning candle 23 What two forms of energy does a flame from a burning candle release? F Electrical and mechanical G Chemical and electrical H Light and heat J Heat and nuclear

24. The diagram above shows a light ray approaching a mirror 24 The diagram above shows a light ray approaching a mirror. Which of the diagrams below shows how the light travels after striking the mirror? A B C D

25 All the following are examples of light being refracted EXCEPT — B D

26 Light traveling through a pair of eyeglasses is — F refracted G transmitted H absorbed J reflected

27. A student holds a note card behind a jar of water. Which of the 27 A student holds a note card behind a jar of water. Which of the following best explains why the part of the note card seen through the jar looks different from the rest of the note card? A The jar reflects light hitting its surface. B The water absorbs light hitting its surface. C The jar scatters light passing through it. D The water bends light passing through it.

28 Which of these pictures shows the way to use a battery to light a bulb? A C B D

29 Which circuit will cause the lightbulb to glow? A C B D

30 Which of these is made to change electrical energy to heat energy? A C B D

31. The wires connecting the battery and the lightbulb create a closed 31 The wires connecting the battery and the lightbulb create a closed circuit. What would happen if one of these wires were cut? F The battery would lose its charge. G The glass would crack. H The light would go out. J The wire would become hot.

32. A student plans to make this lightbulb glow 32 A student plans to make this lightbulb glow. All of the following objects can be used to complete the circuit EXCEPT — A a copper penny B a plastic comb C a metal clip D an iron nail

33. Sound is made when a drumstick hits the drum. This happens 33 Sound is made when a drumstick hits the drum. This happens because the force of the drumstick on the drum causes — F vibrations G electrical currents H heat energy J a magnetic charge

34 Blowing through a pipe can produce a sound because the — F air in the pipe vibrates G pipe speeds up the air H pipe cools the air J air is absorbed by the pipe

35. An insect that produces waves in the water also produces waves in 35 An insect that produces waves in the water also produces waves in the air. What can these air vibrations produce? A Sound B Light C Oxygen D Carbon

Grade 5 Objective 3 Answer Key

Grade 5 Objective 3 Answer Key Correct Objective Student Question Answer Measured Expectation Source – item number 1 D 3 3.6 A 2004 TAKS Info Booklet – 15 2 B 2004 TAKS Info Booklet – 22 C 2003 TAKS – 27 4 5 2004 TAKS – 20 J 5.5 A 2004 TAKS – 18 6 F 5.5 B 2003 TAKS – 8 7 2004 TAKS – 39 8 G 2006 TAKS – 26 9 2006 TAKS – 29 10 5.7 A 2003 TAKS – 34 11 H 2003 TAKS – 38 12 2004 TAKS – 6 13 A 5.7 B 2003 TAKS – 21 14 2004 TAKS – 22 15 2006 TAKS – 7 16 5.7 C 2004 TAKS Info Booklet – 11 17 2004 TAKS – 31 18 2004 TAKS – 34

Grade 5 Objective 3 Answer Key Correct Objective Student Question Answer Measured Expectation Source – item number 19 C 3 5.7 C 2006 TAKS – 27 20 G 5.7 D 2003 TAKS – 40 21 F 2004 TAKS – 32 22 A 2006 TAKS – 9 23 H 5.8 A 2006 TAKS – 2 24 B 5.8 B 2002 TAKS Info Booklet – 7 25 D 2004 TAKS Info Booklet – 13 26 2003 TAKS – 16 27 2006 TAKS – 13 28 5.8 C 2002 TAKS Info Booklet – 8 29 2004 TAKS Info Booklet – 12 30 2004 TAKS Info Booklet – 14 31 2003 TAKS – 2 32 2006 TAKS – 19 33 5.8 D 2003 TAKS – 36 34 2004 TAKS – 16 35 2006 TAKS – 17