1) These animals have a good sense of smell.

Give two reasons why they need a good sense of smell.
2) Alex has recorded the eye colour of the children in his school on this graph.

a: Which is the most common eye colour?
b: Which is the least common eye colour?
3) Amal tested his friends to see which things they like and dislike.

Dislike	Like	Food	Name
	√	apple	Bill
	√	biscuit
	√	apple	Jaffa
	√	biscuit
√		apple	Pat
	√	biscuit
	√	apple	Rava
	√	biscuit

a; Which food is most popular?
b: Why do children like apples and biscuits?
4) a: Describe how to carry out a taste test. Include details of the equipment you would use.
b: How could you investigate whether the sense of taste and the sense of smell are linked?