Unit 6: Objects and machines

Have you ever wonder how do computers work? Here you can find a very clear explanation:

 

Unit 6: Tools and machines

What is a simple machine? How many simple machines do we know? Let's see if you have ever used one:

Unit 6: Electricity and inventions

Static electricity experiments:

Electric circuits:

Types of electric circuits:

Test your knowledge:

What do we know about electric circuits?

Unit 5: Forces

What do you know about forces?

 Click on this video to get more information:

 
Let's learn about Magnetism: 

 What is gravity?

 

Unit 7: Energy

What is energy? Let's ask Dr Binocs...

Unit 5: Animals

 Let's revise the different characteristics of animals

http://www.bbc.co.uk/bitesize/ks1/science/variation/play/popup.shtml 

 

How can animals be classified? Take a look at this video!

Unit 5: Electricity and magnetism

How do magnets work?

What is electromagnetism?

 

 The discovery of batteries and electromagnetism: 

 

The Earth as a magnet: