Review For test 9/19

What is kinetic energy?

• The energy of motion
• The energy of position
• The energy of sound
• The energy of light

What is the definition of density?

• Mass per unit volume
• Force per unit area

What happens when heat moves through a liquid or gas?

• The liquid or gas gets colder
• The liquid or gas gets hotter
• The liquid or gas changes color
• The liquid or gas disappears

When you touch a hot stove, you feel the heat through convection.

• True
• False

Which of the following is NOT a physical property?

• Chemical reactivity
• Density
• Color
• Melting point

Which of the following is a physical property?

• Boiling point
• Acidity
• Combustibility
• Toxicity

During a chemical change, the material becomes something new and different.

• True
• False

What happens to the temperature of the water when it is changing from a solid to a liquid?

• The temperature goes up.
• The temperature stays the same.
• The temperature goes down.
• The temperature changes quickly.

What happens to the temperature of the water when it is changing from a liquid to a gas?

• Temperature goes up.
• Temperature goes down.
• Temperature stays the same.

What is a medium and what is a example of a medium?

• convection
• conduction
• Something that helps something else travel, like air or water.