Physical vs Chemical change

Physical ,Chemical change & Energy

Mr Jenkins

Chemical vs Physical Change

Can you spot the difference?

Physical Change

• Cutting Paper

• Freezing water into ice

• Bending silverware

• Mowing the lawn

• Crushing a soda can

Chemical Change

• Digestion of food

• Mixing acid and base

• Burning of paper

• Explosion of fireworks

• Making Popcorn

Multiple Select

What is an example of a Physical Change?

• Shredding Paper

• Mixing Vinegar and Baking Soda

Multiple Select

What is an example of a chemical change?

• Chopping wood

• Burning wood

Introduction to potential and Kinetic energy.

Potential energy

Potential energy is stored energy that is held by an object, electric charge or other factors.

Kinetic energy

Energy in which a body poessses by virtule of being

Potential energy

• A strecthed rubber band

• Raised brick

• An archer brow with the string pulled back

• Soccer balls before players kicked them

Kinetic energy

• Riding a bicycle

• Running to the park

• Driivng a Car

• Dropping a phone on the concrete