P1 Energy

What are the units for energy?

• Joules

• Watts

• Newtons

• Kilograms

Kinetic energy is

• when something is lifted

• when something moves

• calculated using speed and mass

• calculated using velocity and weight

Gravity on earth is equal to

• 98

• .98

• 9.8

• 0.098

What are the units to measure extension (when calculating elastic energy)

• g

• N

• m

• cm

Weight is

• how heavy something is

• mass x gravity

• mass/gravity

• mass + gravity

The energy stored in food or fuel

• sound

• thermal

• light

• chemical

Give the units for power

• Watt

• Joules

• Newtons

• Force

Calculate the power when 100 J of energy is transferred in 2 minutes

• 50

• 200

• 0.83

• 0.02

The law of conservation of energy states energy cannot be

• transferred

• changed

• created

This is NOT a fossil fuel

• Coal

• Solar

• Gas

• Oil