Unit 5 - Energy

What is energy?

• Energy doesn't exist
• It is the capacity to burn coal
• It is the ability to do work or to produce transformations
• It is a property of the matter used to meassure forces

Which forms of energy make up the mechanical energy?

Match the following types of energy with the information

• Energy in the form of heat

• Kinetic E.

• Stored in objects due to elevation

• Potential E.

• Easy tp transform in other forms of energy

• Electrical E.

• Mass in movement

• Heat E.

• Energy in the form of light

• Light E.

Match the types of energy with the examples

• Uranium

• Nuclear E,

• Bolt

• Chemical E.

• Bulb

• Mechanical E.

• Rollercoaster

• Electrical E.

• Coal

• Light E.

We can pass energy from one body to another

What is this property of energy?

"Electrical energy --> light energy"

What is this property of energy?

We can take energy from one place to another

What is this property of energy?

"Batteries and food can do it"

What is this property of energy?

The ​ (a)   will ​ (b)  

• non-renewable sources
• run out
• renewable sources

Which of the following is a non-renewable source of energy?

• Hydroelectric

• Biomass

• Nuclear

• Wind

• Solar