IS7 - Unit 9 Test

What are the two main types of energy related to motion?

• Thermal and chemical energy

• Potential and kinetic energy

• Electrical and magnetic energy

• Nuclear and sound energy

What type of energy does a rock sitting on top of a cliff have?

• Kinetic energy

• Thermal energy

• Potential energy

• Chemical energy

What happens to the average kinetic energy of particles as the temperature of a material increases?

• It decreases

• It remains the same

• It increases

• It fluctuates

What is the freezing point of water on the Celsius scale?

• 100°C

• 0°C

• 32°C

• -10°C

In terms of heat flow, how does energy move?

• From cooler to warmer objects

• From warmer to cooler objects

• In a circular motion

• Randomly

What is an insulator?

• A material that conducts heat well

• A material that reduces the flow of heat

• A material that stores energy

• A material that emits radiation

What type of energy transfer can occur even in a vacuum?

• Conduction

• Convection

• Radiation

• Evaporation

Which of the following are good conductors of heat?

• Wood and plastic

• Aluminum and copper

• Air and water

• Rubber and glass

Where is chemical energy stored in a material?

• In the nucleus of atoms

• In the bonds between atoms

• In the electrons of atoms

• In the protons of atoms

What is required for an endothermic reaction to proceed?

• Release of energy

• Absorption of energy

• No energy change

• Increase in temperature