Tanya kept a weather diary. Every day for a week she found out how much rain had fallen. Tanya used a rain-gauge. Here are her results:Mon 2 mm, Tue 3 mm, Wed 0 mm, Thu 7 mm, Fri 11 mm, Sat 12 mm, Su 11 mmWhat was the wettest day that week?

In science at school you have looked at simple data to investigate how things change over time. Plants and animals grow. The seasons bring different weather. The nights get longer in the winter and shorter in the summer. This quiz is all about using simple data to investigate how things change. Can you say how much they have changed over time? Can you say why they have changed? Have a go, and see just how many you can get right.