Unit 2 Energy

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Poll

How are you feeling today?

• happy

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​Unit 2: Energy

By Jake Villagonzalo

2.1 Energy around us

Learning objectives

4Pf.01 Know that energy is present in all matter and in sound, light and heat.

4Pf.02 Know that energy cannot be made, lost, used up or destroyed but it can be transferred.

4Pf.03 Know that energy is required for any movement or action to happen.

4Pf.04 Know that not all energy is transferred from one object to another, but often some energy during a process can be transferred to the surrounding environment and this can be detected as sound, light or temperature increase.

​Draw a line to match the picture and the term or word for the different types/forms of energy.

movement

food energy

heat and light

sound

heat

​Draw a line to match the picture and the term or word for the different types/forms of energy.

movement

food energy

heat and light

sound

heat

Energy is all around us

• Energy is everywhere—both living and non-living things have energy.

• Living things get energy from the food they eat. This energy is used to move, grow, breathe, and carry out life processes.

• Non-living things also have energy. Examples:

  • Moving air (wind) can turn a wind turbine.

  • Light, heat, and sound are forms of energy.

• Forms of energy include:

  • Light energy

  • Heat energy

  • Sound energy

  • Movement energy

Multiple Choice

Where do living things get their energy from?

• The sun

• The food they eat

• The air around them

• Water

Multiple Choice

Which of these is NOT a form of energy?

• Light

• Heat

• Sound

• Plastic

Multiple Choice

What do living things use energy for?

• To move, grow, and breathe

• To make food for other animals

• To create wind and light

• To stop life processes

Multiple Choice

Which example shows energy in non-living things?

• A child running

• Moving air turning a wind turbine

• A bird flying

• A fish swimming

Multiple Choice

Which of the following is a form of energy?

• Movement

• Plastic

• Wood

• Paper

What is ENERGY?

What is ENERGY?

• Energy is everywhere, even if we can’t always see it.

• We observe energy through what it does—it makes things move and change.

• All moving things have energy.

• Energy can cause actions, like a moving ball breaking a window.

• Energy is anything that can cause movement or make something happen.

• We need energy for everything we do.

Multiple Choice

What is energy?

• Something we can always see

• Anything that can cause movement or make something happen

• Only light and heat

• Something only living things have

Multiple Choice

Can we always see energy?

• Yes, energy is visible

• Only in living things

• Yes, when things move

• No, but we can observe what it does

Multiple Choice

What does energy make things do?

• Stay still

• Disappear

• Move and change

• Become heavier

Multiple Choice

Which of these shows energy causing change?

• A ball sitting on a table

• A moving ball breaking a window

• A book on a shelf

• A closed door

Multiple Choice

What do all moving things have?

• Heat

• Energy

• Light

• Sound

Multiple Choice

Why do we need energy?

• To make things colorful

• Only for playing sports

• To stop movement

• For everything we do

Multiple Choice

Which statement is TRUE about energy?

• Energy is only in machines

• Energy can cause actions

• Energy is always visible

• Energy is not needed for life

Multiple Choice

How can we observe energy?

• By seeing what it does

• By looking at its color

• By touching it

• By hearing it

Multiple Choice

Which of these is an example of energy in action?

• A parked car

• A moving swing

• A closed book

• A sleeping cat

Multiple Choice

What is the best way to describe energy?

• Something that makes things move or change

• Something that only exists in light

• Something that stops actions

• Something we can always see