Unit 5 and 6 Test Review

Being attracted to magnets is one of the properties that can be used to compare and describe objects. Which of these objects can be identified by its attraction to magnets?

• a cork

• a plastic bag

• a soccer ball

• a paper clip

Jesica wants to tell her little sister about some of the differences between apples and oranges. Which of these properities can Jesica use to show the greatest difference?

• Shape

• Mass

• Color

• Weight

When a glass of water is placed in the freezer, how will the water's state of matter change?

• From a solid to a gas

• From a liquid to a gas

• From a solid to a gas

• From a liquid to a solid

Which change in the state of matter occurs when water begins to boil?

• From a solid to a liquid

• From a liquid to a gas

• From a liquid to a solid

• From a gas to a liquid

Mrs. Lebouef uses a hammer to break a rock into five smaller pieces. Which of the following statements is true?

• The pieces will each have the exact same mass.

• The mass of all five pieces combined will be greater than the mass of the rock.

• The mass of all five pieces combined will be less than the mass of the rock.

• The mass of all five pieces combined will be equal to the mass of the rock.

What will happen when these two bar magnets get close to each other?

• The magnets will attract.

• The magnets will repel.

What will happen when these two bar magnets get close together?

• The magnets will attract.

• The magnets will repel.

Select all the examples that illustrate a physical change.

• Smoke from a fire

• Cutting an orange

• Shredding paper

• An old car rusting

• building a car out of Playdough

Select all the examples that illustrate a chemical change.

• Smoke from a fire

• an iron nail rusting

• A rock being broken into smaller pieces

• Baking a cake in the oven

Which process happens after leaves fall off a tree?

• burning

• cooking

• decaying

• rusting