1 4 Science: Natural resources Lesson 4 Unit 4 1 Listen and read 2 Natural resources in Egypt In Egypt, we have many natural resources. Sand is a natural resource. We can make glass from sand. 3 We take sand from the desert. 5 We add chemicals to the sand. We melt the sand and chemicals to Then we shape the glass. make a liquid. 2 Read and choose 1 Egypt has many natural a resources 2 We make b cars from sand. a deserts b glass We melt sand and chemicals to make a 3 a liquid b gas Vocabulary: 52 bowl, chemical, liquid, sand, shape Then we put everything in a bowl. 6 We can make many things from glass.

a 1 & A 3 Complete the cycle for producing glass from sand Making Glass 1 To make glass from sand, add chemicals to the sand. 2 2 Put everything in a 3 Melt sand and chemicals to make a 4 Shape 4 4 Look, read, and order Another Egyptian natural resource is water. 1 b Farmers give water to the plants. e f C Farmers get water from the Nile. 3 Then we eat vegetables. We buy vegetables at the market. Vegetables need water 53 to grow. Unit 4