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• TLF-IDM016413

Students explore the reflection of light by plane mirrors and operate a simple periscope using ray diagrams.

• TLF-IDM015866

Do you know where your bread comes from? Discover how many other foods can be made from wheat flour. This clip tells the story of wheat from the farm to the factory. See how the big machines in a flour mill make flour from grains of wheat.

• TLF-IDM015868

How do you feel about the rain? This clip explains why rain is so important to farmers. You will see how to make a rain gauge and use it to measure how much rain falls. Farmers measure rainfall so they know when to do different jobs on their farms.