Classifying is just putting things into groups. We might for example put types of films into groups like comedy, horror, childrens, action, drama, romance etc. Scientists put organisms into 5 Kingdoms. Can you remember what they are? Can you remember the groups of invertebrates and vertebrates that make up the animal kingdom?

Read the online article about the heart

http://www.kidshealth.org/kid/body/heart_noSW.html

now answer this question:

How long does it take to pump blood to every cell in your body?

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We also investigated sensitive areas of our body with a hairclip – we found the fingertips and lips were most sensitive, and could feel more points of the hairclip. This is because they contain the most nerve endings.