SUMMATIVE ASSESSMENT 3.1

This is a form of matter that exists when atoms are in an excited state.

• SOLID

• LIQUID

• GAS

• PLASMA

Answer explanation

The molecules in solid are arranged in regular, _____________ patterns.

• repeating

• elliptical

• recurring

• absolute

Answer explanation

Molecules in a solid are held firmly in place but can vibrate within a large area.

• TRUE

• FALSE

Answer explanation

Molecules in a solid are held firmly in place but can vibrate within a LIMITED area.

In which state of matter are molecules moving the fastest?

• SOLID

• LIQUID

• GAS

• PLASMA

Solids, Liquids, Gases

Which of the following causes a solid to change to a liquid?

• FREEZING POINT

• EVAPORATION

• MELTING POINT

• HEAT

Solids, Liquids, Gases

What point has water reached when it turns from a liquid to a solid?

• HEATING POINT

• MELTING POINT

• FREEZING POINT

• BOILING POINT

Solids, Liquids, Gases

What occurs when a liquid turns to a gas?

• CONDENSATION

• EVAPORATION

• PRECIPITATION

• SUBLIMATION

Solids, Liquids, Gases

What effect does the speed of molecules have on matter?

• Identifying the density of an object.

• Controls the weight of the matter

• Determines the mass of matter

• Determines the state of matter

Solids, Liquids, Gases

What happens when water reaches its boiling point?

• turns from liquid to solid

• turns from solid to liquid

• turns from liquid to gas

• turns from gas to liquid

Solids, Liquids, Gases

In which state of matter are molecules moving the slowest?

• SOLID

• LIQUID

• GAS

• PLASMA