Amplify Thermal Energy Chapter 2

Front

Kinetic energy is the energy an object has because it's __________.

Back

moving.

Front

If the molecules that make up a sample speed up, what else happens?

Back

The temperature of the sample increases.

Front

Which of the following temperatures are the coldest? 10℃, 25℃, 70℃, 75℃

Back

10℃.

Front

What is the average amount of money Mandy earned per day if she earned $4 on Monday, $7 on Tuesday, $5 on Wednesday, $4 on Thursday, and $5 on Friday?

Back

$5.

Front

What happens to the speed of molecules in hot water compared to cold water?

Back

Molecules in hot water move faster than those in cold water.

Front

Define thermal energy.

Back

Thermal energy is the total energy of all the particles in an object.

Front

What is temperature a measure of?

Back

Temperature is a measure of the average kinetic energy of the particles in a substance.

Front

What happens to the temperature of a substance when it absorbs heat?

Back

The temperature of the substance increases.

Front

What is the relationship between kinetic energy and temperature?

Back

As kinetic energy increases, temperature increases.

Front

What is the freezing point of water in Celsius?

Back

0℃.