S1 Energy

Heat, Chemical and kinetic are al forms of what?

Match the following types of energy with the image which best describes it

• Heat energy

• 
• Chemical energy

• 
• Kinetic energy

• 
• Light energy

• 
• Potential energy

• 

What is meant by the law of conservation of energy?

Turning on a tv converts ​ (a)   into ​ (b)   and ​ (c)   energy.

• electrical energy
• Light
• Sound
• Chemical energy 
• Kinetic 
• Potential 
• Chemical 

Organize these options into the right categories

Groups:

(a) Renewable energy

,

(b) Fossil fuels

• Hydro

• Coal

• Wind

• Oil

• Solar

• Gas

Oil is formed over ​ (a)   of years. This is formed when ​ (b)   plants and animals ​ (c)   and are pressurised underground.

• Millions
• aquatic
• die
• Thousands
• Hundreds
• are born 
• swamp 

Using the following diagram explain how coal is formed

Chemical energy (2500KJ) -> Kinetic energy (750KJ) + Heat energy (?KJ)

Find the missing value from the above chemical conversion.

Mathematical Equivalence

ON

Potential energy (?KJ) -> Kinetic energy (75KJ) + Sound energy (425KJ)

Mathematical Equivalence

ON