Waid Academy Science Energy: Energy Changes & Energy Matters.

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Presentation transcript:

Waid Academy Science Energy: Energy Changes & Energy Matters

What is the energy change when a candle burns? 1. Chemical to light 2. Light to heat 3. Chemical to heat and light 4. Potential to heat and light 15

What is the energy change when you use a radio? 1. Kinetic to sound 2. Electrical to sound 3. Electrical to potential 4. Chemical to heat 15

Which of the following would have a change from potential to sound energy? 1. Bursting a blown up balloon 2. Clapping hands together 3. Burning coal 4. Rubbing a finger on the bench 10

Which energy converter changes kinetic energy into electrical energy? 1. Bulb 2. Wire 3. Motor 4. Dynamo 15

What energy conversion does a motor carry out? 1. Heat to electrical 2. Electrical to kinetic 3. Electrical to sound 4. Heat to sound 10

Which of the following is NOT a fossil fuel? 1. Coal 2. Oil 3. Gas 4. Nuclear 10

Why can’t we use fossil fuels for much longer? They are in limited supply 2. They are in unlimited supply

Name two forms of renewable energy 1.Wind and nuclear 2.Solar and water 3.Solar and hydroelectric 4.Wave and nuclear 10

How could you save energy in your home? 1. Switch the TV into stand-by mode 2. Put in single glazed windows 3. Use a thermostat 4. Leave the lights on 15

Arrange these pictures to make a food chain 1. Human  Grass  Cow  Sun 2. Sun  Cow  Grass  Human 3. Human  Cow  Grass  Sun 4. Sun  Grass  Cow  Human 10

What do the arrows mean in a food chain? 1. Heat transfer 2. Energy transfer Sun  Grass  Cow  Human 10

Where does all energy on Earth come from? 1. Sun 2. Grass 3. Cows 4. Humans 10