Grade: 3 Unit 1: Matter and Energy Science Homework

Student Number:

Name: _____________________________ Room: _____ Date: __________________Grade: 3 Unit 1: Matter and Energy Science Homework______________________________________________________________________

Homework packet link: https://sites.google.com/a/ccs-rams.org/pan/

Investigation 1 Part 1: Energy Sources

1. Which one of the following are examples of stored energy?

(Mark all the correct answers.)

_____ battery _____ gasoline _____ wire

_____ light bulb _____ food

2. What two types of energy do we get from the Sun?

____________________ and ____________________

3. What is fuel?

(Circle the one best answer.)

a. Energy from the Sun

b. Heat

c. Stored energy

4. What is fuel used for?

Fuel is ________________ to make things happen.

5. What is the source of most Earth’s energy?

(Circle the correct answer.)

a. The Sun

b. The moon

c. Water

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Grade: 3 Unit 1: Matter and Energy Science Homework

6. Draw a line from each living things or object in the left column to the source of the

energy it uses in the right column.

Investigation 1 Part 2: Converting Energy

7. What forms of energy are food and fossil fuels converted into?

a. Food is converted into __________________ and motion energy by

organisms.

b. Fuels are converted into _____________________,

____________________, and motion energy when they burn.

8. Oil, coal, and natural gas are called ___________________ fuels.

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Grade: 3 Unit 1: Matter and Energy Science Homework

9. The burning gas heats water to make steam. The steam turns _________________

to make electricity in your home and school.

10.Coal, wood, gasoline, paper, and natural gas are all different sources of

______________ energy.

11.Where do animals get energy to grow and keep warm?

(Circle the one best answer.)

a. Food

b. Heat

c. Water

d. Rest

e. Electricity

12.What do people use energy for?

(Mark all the correct answers.)

_____ to ride a bike

_____ to read a book

_____ to heat a house

_____ to power a car

_____ to build a birdhouse

13.Stored energy in batteries can be converted to what other forms of energy?

a. Heat

b. ________________________

c. ________________________

d. ________________________

14.Park has a flashlight that won’t light up, and he thought the light bulb didn’t have any

energy stored in it. His sister, Li Mei, told him that the flashlight isn’t where the

energy is stored.

a. Where is the stored energy in a flashlight? ______________________________

b. What is the energy converted to? ______________________________________

15.Show the energy conversions. Use arrows to connect Each Energy Action with the

Stored-Energy Source that causes it. Each energy source may cause more than

one action.

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Grade: 3 Unit 1: Matter and Energy Science Homework

Stored-Energy Source Energy Action

Sun Light

Candle Muscle Movement

Gasoline Heat

Battery Electricity

Apple Chemicals

Wood Motion

Investigation 1 Part 3: Energy on the Move

16.Energy transferred from the tone generator to the rice.

a. How was the energy transferred to the rice?

____________ ____________ transferred the energy through the air.

b. What evidence do you have to know that energy was transferred?

The rice _____________________.

17.How is energy carried from one place to another?

(Mark all the correct answers.)

_____ electric current

_____ chemical energy

_____ fuel

_____ waves

_____ moving objects

Investigation 2 Part 1: Reflected Light

18. If a mirror is placed on the line next to the picture of the snail below, which of the

following would show the image of the snail in the mirror?

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Grade: 3 Unit 1: Matter and Energy Science Homework

(Circle the one best answer.)

19.Aiyana set four mirrors around a barrier as shown below, but she found she could

not see the object on the other side.

20.What types of surfaces reflect light best?

___________________________________________________________________

21.How does reflected light allow us to see an object?

(Circle the one best answer.)

a. Light reflects from our eyes onto an object.5

Grade: 3 Unit 1: Matter and Energy Science Homework

b. Light reflects off an object and into our eyes.

c. Light reflects off the Sun to our eyes.

22.Olivia wrote in her science notebook, “A mirror reflects light. But I do not make light.

So how can I see myself in a mirror?”

Explain to Olivia how a mirror works.

___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

23.Draw the position of mirrors under each challenge. Draw lines to show how light

reflects off the mirrors to solve the challenge:

Example: Place mirrors to make light shine to the left.

a. Place mirrors to make light shine on the side of the flashlight.

b. Place mirrors to make light shine in two different directions.

c. Place mirrors to make light shine on an object behind the flashlight.

Investigation 2 Part 2: Colored Light

24.A shadow is a _________________________ where an object has

________________________.

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Grade: 3 Unit 1: Matter and Energy Science Homework

25.What do you need to have a shadow?

______________________________ and ______________________________

26.Which of the following are sources of light (they create their own light)?

(Mark all the correct answers.)

_____ the Sun

_____ a burning match

_____ a mirror

_____ the Moon

_____ your eyes

_____ stars

27.Which of the following objects would appear black in a room lit with only red light?

(Circle the one correct answer.)

a. A white block

b. A blue chair

c. A red ball

28.What happens to objects when you look at them with a colored light?

The color of the objects ________________________________________________

___________________________________________________________________

29.What direction do shadows always point?

(Circle the one best answer.)

a. Toward the Sun

b. Away from the Sun

c. To the left

Investigation 3 Part 1: Fact of the Matter

30.Look at the list of matter below. Put an S in front of each solid, an L in front of each

liquid, and a G in front of each gas.

_____ rock _____ juice _____ sand

_____ air _____ shirt _____ helium inside a balloon

_____ plastic cup _____ oil _____ gasoline

31.What are the characteristics of the following types of matter?

a. Solid

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Grade: 3 Unit 1: Matter and Energy Science Homework

___________________________________________________________________

b. Liquid

___________________________________________________________________

c. Gas

___________________________________________________________________

32.John and Tony go to the circus. They see a lion, a giraffe, and an elephant. John,

Tony and the animals are matter because they ____________________.

a. take up space

b. are breathing

c. are at the circus

33.John buys Tony balloons to take home from the circus. Which state of matter is the

helium inside the balloon?

a. gas

b. solid

c. liquid

Investigation 3 Part 2: Weighty Matters

34.Why is it important to use a standard unit when making measurements?

___________________________________________________________________

___________________________________________________________________

35.What is the best unit to be used when recording the mass of a bicycle?

(Circle the one best answer.)

a. kilogram

b. gram

c. liter

36.Orenda and Akia each used marbles to weigh the same apple. Both used the correct

procedure. Their results are shown below.

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Grade: 3 Unit 1: Matter and Energy Science Homework

Orenda Akia

33 marbles 60 marbles

a. Since they weighed the same apple, why do you think they got different

results?

___________________________________________________________________

___________________________________________________________________

b. What could they do to make their results more useful for other students?

___________________________________________________________________

___________________________________________________________________

37.Look at the picture below.

a. Which of the following could be the mass of the ball?

(Circle the one best answer.)

A. 20 grams

B. 30 grams

C. 40 grams

b. Why do you think that is the mass of the ball?

___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

Investigation 3 Part 3: A Matter of Volume

38.What is the volume of water in the graduated cylinder shown at right?

(Each increment equals 1 mL)9

Grade: 3 Unit 1: Matter and Energy Science Homework

39.A graduated cylinder is used for measuring

(Circle the one best answer.)

a. Mass.

b. Volume.

c. Temperature.

Investigation 4 Part 1: Measuring Temperature

40.What is the temperature shown in the thermometer?

41.What measuring tool should be used to measure the temperature of a cup of water?

(Circle the one best answer.)

a. thermometer

b. balance

c. graduated cylinder

42.What units are used in the metric system for reporting temperature?

a. milliliters

b. degrees Celsius

c. centimeters

Investigation 4 Part 2: Melting and Evaporation

43.Emmet tried to melt a sugar cube in a cup set in hot water. After 5 minutes the sugar

did not melt. He said, “Sugar won’t melt.”

What could Emmet do to try to melt the sugar?

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Grade: 3 Unit 1: Matter and Energy Science Homework

(Circle the one best answer.)

a. Leave the cup wit the sugar in the hot water longer.

b. Use less sugar in the cup.

c. Add more heat by putting the sugar over a flame.

44.What happens to the atoms in a liquid when it is heated?

(Circle the one best answer.)

a. The atoms move slower.

b. The atoms move the same speed.

c. The atoms move faster.

45. In ancient times, scholars thought all matter was made of only four elements. What

are the four ancient elements? (Mark the four correct answers.)

_____ oxygen _____ water _____ fire _____ hydrogen

_____ atoms _____ earth _____ air

46.What is the smallest particle that makes up elements?

(Circle the one best answer.)

a. Matter

b. Air

c. Atom

47.Different types of atoms, such as gold, oxygen, and hydrogen, are called

(Circle the one best answer.)

a. elements.

b. earth.

c. air.

48.Alanna was heating some water for tea in a teapot on the stove. She left to answer

the telephone and forgot about the water in the teapot. When she came back, the

teapot was empty.

a. What happened to the water in the teapot? The water in the teapot

___________________________.

b. Why did this happen? ____________________________________________

______________________________________________________________

Investigation 4 Part 3: Reactions

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Grade: 3 Unit 1: Matter and Energy Science Homework

49.Read your Science Resources book from pages 65 through 71 and answer the

following question: Why did Carlo’s reaction cup has less mass after the fizzing

stopped? ___________________________________________________________

___________________________________________________________________

50.When you pour vinegar into baking soda, it bubbles.

a. What gas is inside of the bubbles? _________________________________

b. Where did the gas come from? ___________________________________

______________________________________________________________

51.What happens to the mass when vinegar and baking soda are mixed together in an

open cup?

______________________________________________________________

Why do you think that happens?

______________________________________________________________

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