7th Grade Chapter 2 Practice Test Game

What is the total energy of all the particles in an object called?

• chemical energy
• thermal energy
• potential energy
• mechanical energy

The temperature scale used in most of the world is called the ____ scale.

• Celsius
• Fahrenheit
• Kelvin
• Absolute

The temperature scale used in the United States is called the ____ scale.

• Celsius
• Fahrenheit
• Kelvin
• Absolute

On the ____ scale, there are no negative numbers.

• Celsius
• Fahrenheit
• Kelvin
• Absolute

How does heat flow when you place an ice cube in your hand?

• It flows into your hand to make you colder
• It flows into your hand to make you warmer
• It flows out of your hand to warm up the ice cube
• It flows out of your hand to cool off the ice cube

Which of the following has the MOST thermal energy?

• A
• B
• C
• Not enough information

Which of the following has the LEAST thermal energy?

• A
• B
• C
• Not enough information

In which way could you make A and B have the SAME thermal energy?

• Heat up A to 60 degrees C
• Take 100g of water out of B
• Add 100g of water to A
• All of the above

Compare the thermal energy in B and C.

• B has twice as much thermal energy than C
• C has twice as much thermal energy than B
• B and C have the same thermal energy due to particle motion
• B and C have the same thermal energy due to having the same amount of particles

What is the process by which heat transfers from one particle of matter to another when the particles collide?

• conduction
• convection
• radiation
• expansion