Free Printable Unit 2- Changes of Matter

Free Printable Worksheets

Worksheets

Unit 2- Changes of Matter

Total questions: 36

Worksheet time: 22mins

Name

Class

Date

1.

Which of the following is a example of physical change ?

a)

burning of wood

b)

photosynthesis

c)

melting of ice-cream

d)

ripening of fruit

2.

When a candle burns, both physical and chemical changes occurs.

a)

True

b)

False

3.

A chemical change may involve

a)

Evolution of gas

b)

Change in temperature

c)

Change in colour

d)

All of the above

4.

A physical change...

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

5.

A chemical change

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

6.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

7.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

8.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

9.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

10.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

11.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

12.

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

a)

20 grams

b)

0 grams

c)

27 grams

d)

10 grams

13.

Mixtures are combinations of two materials that retain their physical qualities.

a)

True

b)

False

14.

To separate a mixture of salt and water what separation tool/method is used?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

15.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

16.

Which of the following will NOT dissolve in water?

a)

salt

b)

rocks

c)

apple juice

17.

Why is trail mix considered a mixture?

a)

The particles are very small.

b)

The trail mix can be put together easily.

c)

Each parts keeps its own properties.

d)

All the colors and flavors fit well together.

18.

What is a solution?

a)

A combination of two or more substances that can't be easily separated.

b)

A combination of two or more substances that can be easily separated.

19.

Which is an example of a solution?

a)

Salt and Sugar

b)

Salt Water

c)

Jelly beans

d)

Concrete

20.

Substance dissolved in a solution

a)

concentration

b)

solute

c)

solvent

d)

solution

21.

In sweet tea the solvent would be

a)

water

b)

tea

c)

sugar

d)

lemon

22.

Anything that has mass & takes up space

a)

gravity

b)

force

c)

matter

d)

volume

23.

A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?

a)

500 grams, because the cheese does not gain or lose mass just because it was melted

b)

499 grams, because some of the cheese evaporates as it melts

c)

502 grams, because the cheese absorbs heat as it melts

24.

Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?

a)

6

b)

12

c)

18 ounces

25.

Matter can not be created nor destroyed: it can only be

a)

Destroyed a little bit

b)

Invisible

c)

Transformed, changed

d)

None of the above

26.

The Law of Conservation of Mass States

a)

Energy cannot be created nor destroyed, it can only change form.

b)

Mass cannot be created nor destroyed, it can only change form.

c)

Mass can be created or destroyed, it cannot change form.

27.

Use the balance beam to tell whether the statement below is true or false. Each cube has the same mass.The mass of the grapes is 9 units.

a)

True

b)

False

28.

If a piece of matter changes shape, what happens to its mass?

a)

It increases

b)

It decreases

c)

it changes randomly

d)

it stays the same

29.

What is mass?

a)

anything that takes up space

b)

the amount of matter an object has

c)

the amount of space an object takes up

d)

the measure of how warm something is

30.

Christina wants to measure the mass of a rock. What should she use?

a)

a ruler

b)

a pan balance

c)

a thermometer

d)

a graduated cylinder

31.

A description of objects that can be measured and observed.

a)

gas

b)

mustangs

c)

physical properties

d)

melting point

32.

If 10 grams of water are added to 5 grams of salt, how much salt water will be made?

a)

2 grams

b)

5 grams

c)

10 grams

d)

15 grams

33.

A rock weighing 60 g is broken into 2 pieces. What are possible weights for the two pieces of rock?

a)

20 g and 20 g

b)

30 g and 20 g

c)

30 g and 30 g

d)

45 g and 10 g

34.

A jeweler melts gold to make jewelry. As the gold melts, the mass

a)

increases

b)

decreases

c)

stays the same

d)

is destroyed

35.

The law of conservation of mass says substances can neither be _______ nor ___________.

a)

Built; torn down

b)

Blended together; separated

c)

Created; destroyed

d)

Condensed; extracted

36.

How is weight different from mass?

a)

Weight changes depending on gravity; mass stays constant throughout the universe.

b)

Weight is measured in grams; mass is measured in newtons.

c)

Weight can be converted to energy; mass cannot.

d)

Weight is measured with a scale; mass is measured with a triple-beam balance.

100 %

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