Test: 18 Energy

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into

• electrical energy.

• mechanical motion.

• heat and light energy.

• electrical and heat energy.

What form of energy does a compressed spring have?

• heat energy

• kinetic energy

• chemical energy

• potential energy

Plant materials and animal waste used especially as a source of fuel.

• BIODEGRADABLE

• BIOMASS

• REDUCE

• RECYCLABLE

The use of flowing water from waterfalls and dams to produce electricity.

• HYDRO & TIDAL POWER

• SOLAR ENERGY

• WIND ENERGY

• NUCLEAR ENERGY

Energy stored in the earth in the form of heat.

• GEOTHERMAL

• SOLAR ENERGY

• WIND ENERGY

• NUCLEAR ENERGY

A natural fuel (coal, oil, or gas) formed in the geological past from the remains of living organisms.

• FUEL CELL

• WIND ENERGY

• SOLAR ENERGY

• FOSSIL FUEL

__________is the energy created by wind turning wind turbines.

• Geothermal
• Hydro
• Wind
• Nuclear

Oil is a __________ energy resource.

• Renewable
• Nonrenewable

Energy of moving electrons

• electrical energy
• electromagnetic energy
• sound energy
• mechanical energy