7th Grade Mid-Year Review

____ is the ability to be pressed, hammered or rolled into various shapes and sizes without breaking.

• Elasticity

• Strength

• Hardness

• Malleability

Which liquids are viscous?

Choose 2:

• water

• milk

• syrup

• honey

_________ is the ability to be drawn out or pulled into wires.

• magnetism

• malleability

• ductility

• electrical conductivity

Copper is a ductile metal, which means it can be it can be _____________________.

• very heavy for its size

• easily breakable

• used to insulate wires

• rolled into thin wires

What is a physical property of these strawberries?

• Red

• Rotten

• Flammable

What type of change occurs when sugar dissolves in water?

Hint: can you separate this solution?

• Physical change because a new substance is formed

• Chemical change because a new substance is formed

• Physical change because the sugar is just getting smaller

• Chemical change because the sugar is just getting smaller

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties

Tags

NGSS.MS-PS1-2

Which of these is a result of a chemical change?

• A mixture
• A solution
• A new substance
• Melting or freezing

Tags

NGSS.MS-PS1-2

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in phase ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-4