3-5 REVIEW November 2021

What happens to the physical properties of substances when they are mixed together?

What are the physical properties of a penny? Choose all that applies.

• Copper

• Flexible

• Circle

• Large

What are the components of this mixture? Choose all that apply.

• Lettuce

• Corn

• Salad

• Onion

What is physical property?

• When things are mixed together

• Where houses are held.

• Used to observe and describe matter.

• Used to create experiments.

Substances lose their physical properties when mixed together with other substances in a mixture.

• True

• False

What are some examples of mechanical energy in your home and community that are not produced by machines or devices like a fan or a bicycle?

Mechanical Energy is...

• Sight Energy

• Motion Energy

• Taste Energy

• Feel Energy

Anything that moves uses...

• Light energy

• Heat Energy

• Thermal energy

• Mechanical Energy

What is an example of Mechanical Energy?

• Camp Fire

• Car driving

• Sun

• Light Bulb

Machines like bicycles use mechanical energy, but people and animals moving do not use mechanical energy.

• True

• False