Matter and Physical Properties

What happens to the molecules in a solid when heat is added?

• The molecules in a solid vibrate faster and may eventually turn into a liquid.

• The molecules in a solid remain stationary and do not change.

• The molecules in a solid break apart and disperse into the air.

• The molecules in a solid expand but do not change state.

What are the three states of matter?

• Solid, liquid, and gas

• Solid, liquid, and plasma

• Solid, gas, and vapor

• Liquid, gas, and steam

What is matter?

• Matter is anything that has mass and takes up space.

• Matter is a type of energy that can be converted into mass.

• Matter is a substance that can only exist in solid form.

• Matter is anything that can be seen with the naked eye.

What is the boiling point of water?

• 90 degrees Celsius (194 degrees Fahrenheit)

• 100 degrees Celsius (212 degrees Fahrenheit)

• 110 degrees Celsius (230 degrees Fahrenheit)

• 80 degrees Celsius (176 degrees Fahrenheit)

What is the process of changing a gas to a liquid called?

• Evaporation

• Condensation

• Sublimation

• Precipitation

What is an example of water in the liquid state?

• Ice

• Rain

• Water vapor

• Steam

What is an example of water in the solid state?

• Steam

• Liquid water

• Ice

• Water vapor

What happens to ice when it melts?

• It changes from a solid to a liquid.

• It evaporates into gas.

• It remains a solid.

• It freezes again.

What happens to water when it freezes?

• It evaporates into vapor.

• It changes from a liquid to a solid.

• It remains in liquid form.

• It becomes a gas.

What is a liquid?

• A state of matter with a definite volume and shape.

• A state of matter that has a definite volume but takes the shape of its container.

• A state of matter that has no definite volume or shape.

• A state of matter that is always solid at room temperature.