science revision

What is potential energy?

• The stored energy of an object due to its position or condition.

• The energy that an object has due to its motion.

• The energy an object has due to its speed.

• The energy an object has due to its volume.

What does the law of conservation of energy tell us?

• Energy is created and destroyed all of the time.

• Stars generate most of the energy on the earth.

• Energy can not be created or destroyed.

• Dark matter absorbs most of the energy in the universe.

When does an object have no kinetic energy?

• When it is at rest

• When it is moving very slowly

• When the only force acting on it is gravity

• When it has no electrical charge

which point has the most potential energy

• G
• f
• b
• a

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

When a pendulum swings, at which point is potential energy at its greatest?

• 1
• 2
• 3
• 4

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• same

Measures how fast or how slow molecules are moving

• Thermometer
• Temperature
• Heat
• All of them