Science revision Year 8

A car at the top of the drop on a roller coaster has ________ energy.

• potential

• kinetic

• chemical

• sound

A car rolling down the drop of a roller coaster has ________ energy.

• potential

• kinetic

• chemical

• sound

Which of following are types of kinetic energy? Check all that apply.

• sound energy

• light energy

• thermal energy

• mechanical energy

• potential

We receive ________ and heat energy from the Sun.

• sound

• mechanical

• light

• kinetic

Vibrations produce _______ energy.

• chemical

• sound

• potential

• light

At which point is potential energy greatest?

• W
• X
• Y
• Z

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

• 1
• 2
• 3
• 4

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

which point has the most potential energy

• G
• f
• b
• a

What is the gravitational potential energy of an 50 kg mountain climber at the summit of a 1000 m volcano?

Let g = 9.8N/kg

• 5,220 J

• 490 000 J

• 1000 J

• 50 000 J