ps 5abc quiz

Where is the potential energy of the roller coaster the lowest?

• A

• B

• C

• D

Where is the potential energy of the roller coaster the greatest?

• A

• B

• C

• D

The Law of Conservation of Energy says that...

• energy is the ability to do work.

• energy can not change forms.

• energy can neither be created nor destroyed.

• energy can only be created by the Sun.

Kinetic energy is the energy of

• trains

• location

• atoms

• motion

As an ice cube melts, its temperature —

• stays the same

• increases

• decreases

• fluctuates

What is nuclear fusion?

• Process of splitting atomic nuclei to release energy.

• Process of converting nuclear energy into electrical energy.

• Process of combining electrons and protons to form an atom.

• Process of combining atomic nuclei to form a more massive nucleus

What is nuclear fission?

• The combining of two atomic nuclei to form a larger nucleus.

• The process of converting nuclear energy into electrical energy.

• The release of energy from the sun's core through nuclear reactions.

• The splitting of an atom's nucleus into smaller nuclei, releasing a large amount of energy.

The transfer of heat between materials in direct contact (touching) is called..

• Conduction

• Cycles

• Convection

• Density

__________ is stored energy.

• Potential

• Kinetic

When riding a roller coaster, you go up and down many hills. When do you have the maximum (most) kinetic energy?

• At the top of each hill.
• As you go down each hill.
• At the bottom of each hill.
• As you go up each hill.