topic: energy

Topic: Energy

Essential Question: How is energy used in the world?

Topic: EnergyEssential Question: How is energy used in the world?

• Energy is the ability to cause change.

• Everything except feelings or ideas is made up of either energy or matter.

• Energy does NOT have mass or take up space.

Topic: EnergyEssential Question: How is energy used in the world?

• Examples– Light energy– Heat energy – Wind energy– Nuclear energy

• Non Examples– Love– Atoms– Hatred– Air

Topic: EnergyEssential Question: How is energy used in the world?

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Topic: EnergyEssential Question: How is energy used in the world?

• Energy in a system may take on various forms (e.g. kinetic, potential, heat, light).

• The Law of Conservation of Energy states that energy may neither be created nor destroyed– It just CHANGES forms!

Topic: EnergyEssential Question: How is energy used in the world?

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Topic: EnergyEssential Question: How is energy used in the world?

• Potential Energy is stored in matter, waiting to be released.

Topic: EnergyEssential Question: How is energy used in the world?

• An arrow being stretched by a bow before it is released

• A rock at the top of a hill

• Food for our bodies

• Fuel for our cars

Topic: EnergyEssential Question: How is energy used in the world?

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Topic: EnergyEssential Question: How is energy used in the world?

• Kinetic energy is the energy of motion that is released from stored energy.

Topic: EnergyEssential Question: How is energy used in the world?

• Arrow released from bow

• Object rolling down hill

• Muscles moving • A car moving

Topic: EnergyEssential Question: How is energy used in the world?

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M- Mechanical Energy• Mechanical energy is energy generated

through movement.

R- Radiant (light) Energy

• Radiant energy is energy from electromagnetic waves.

Sound Energy• Sound energy is vibrations that moves

through a solid, liquid or gas to our ears.

Chemical Energy• Chemical energy is energy released from a

chemical reaction.

Electrical Energy• Electrical energy is energy through electricity.

Nuclear Energy• Nuclear energy is energy released during a

nuclear reaction generally through fusion or fission.

Thermal (Heat) Energy• Energy that changes the temperature of an

object.

Now take some time…

• Take 2 minutes to go over your notes and highlight or underline the main ideas that answer the essential question, you should not highlight everything:

Time to use the left hand column

• You will now write your own questions using the question starters provided.

Now let’s write a summary

Look at each question you wrote on your own, and answer each question in a complete sentence.

Notes Finished

1. Complete highlighting, questions, summary– Highlight important

things– Underline Vocab– Circle things you don’t

know2. Glue notes into the

next blank right page.

3. On the blank left hand page:

• Draw an object from your home that has 3 or more energies

• Label the energies in your picture

• Write 3-5 sentences on how those energies change.