**1. What is a prism?**

A prism is a solid with a uniform cross-section.

e.g. A shoe box is usually a prism. Its cross-section is a rectangle.

**2. How is the volume of a prism calculated?**

Find the

areaof the cross-section and multiply by its length.

**3. What is the relationship between a cubic metre and a cubic centimetre?**

There are 100 × 100 × 100 cubic centimetres in a cubic metre. That is

ONE MILLION cmin a cubic metre.^{3}

**4. What is a litre?**

A litre is a unit of

CAPACITY.Capacity is the amount of liquid or gas a container can hold. e.g. The capacity of a petrol tank could be 50 litres.

A litre is the equivalent volume of a cube of side length 10 cm. i.e. 1 litre = 10 × 10 × 10 cm

^{3}= 1000 cm^{3}