lesson: energy science differentiation in action the universe is made up of: matter& energy

Lesson: Energy

Science Differentiation in action

The Universe is made up of:

Matter & Energy


Energy is the ability to do _______.

What is energy?

work

HINT

Work is done when a force moves an object.

Work done = force x distance

A body that has energy is able to do work.


Energy is measured in Joules.

For example, a person needs 1000 Joules of energy to walk up the stairs.

We get this energy from respiration(i.e. using oxygen to release energy from food).

HINT


There are many different forms of energy.

Can you name some?


Light Energy

Light Energy travels in waves and is an important source of energy for our planet.


Electrical Energy

Electrical energy is a very useful form of energy.


Sound Energy

Sound Energy is caused by vibrations.


Chemical Energy

Chemical Energy is stored in oil, gas or other fuels. It is also stored in food.

Battery FoodCoal Oil


Potential Energy

is stored energy just waiting to do work.

A brick held up highA coiled spring


Kinetic Energy

is energy that all moving things have.

A moving carA moving dog


Now, in your copy write down all the different forms of energy that you can remember…….


1. Energy is the ability to do___________.

Review Questions

2. What unit is energy measured in?

HINT

HINT


Can energy be destroyed?

Question to think about!

lesson: energy science differentiation in action the universe is made up of: matter& energy

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