Energy

Which of the following is a renewable source of energy?

• natural gas

• coal

• wind

• oil

What is the primary source of energy for the Earth?

• Solar energy

• fossil fuels

• geothermal energy

• nuclear energy

1. 
   Which type of energy is stored in the batteries of electronic devices?

• potential

• kinetic

• electrical

• thermal

Which form of energy is produced by the movement of objects or substances?

• sound

• thermal

• mechanical

• chemical

Which energy transformation occurs when a light bulb is turned on?

• Electrical energy to light energy

• Light energy to electrical energy

• Electrical energy to thermal energy

• Thermal energy to electrical energy

What is the main environmental advantage of using renewable energy sources?

• They are cheaper than fossil fuels.

• They produce less pollution.

• They are readily available in large quantities.

• They are easier to extract from the Earth.

Which of the following is NOT a source of light energy?

• Sun

• Flashlights

• Sound Waves

• Candles

What is the speed of light?

• 300,000 kilometers per hour

• 300,000 meters per second

• 3,000 kilometers per second

• 30,000 kilometers per minute

3. When light passes through a prism, it separates into different colors. This is called

• 3. Reflection

• 3. Refraction

• 3. Absorption

• 3. Scattering

4. Which of the following objects is opaque?

• 4. Glass

• 4. Mirror

• 4. Plastic wrap

• 4. Wood