Student’s Book 1
1.4 Things that have never been alive
Key words
non-living
alive
living
Some non-living things were once alive. These things come from plants and animals. Wood comes from trees. We use wood for many things. Trees are living but wood is non-living. When wood is cut from a tree it stops growing, so the wood is no longer alive. Some things have never been alive, such as water, stone, metal and plastic.
2.1 Parts of the human body
Humans may look different but they all have the same parts of the body. The body parts have different names.
1 Look at the picture. How many parts of the body do you know?
2 Point to each body part on your own body.
Key word
3.3 More properties
Some materials are transparent. Things such as windows are transparent.
1 How many transparent things can you see in the picture?
Some materials do not let water pass through them. They are waterproof. Things such as umbrellas are waterproof.
2 Name two other things that are made from waterproof material.
4.1 Thinking and working scientifically
When you do an investigation, it is important to follow the instructions. Instructions tell you what you need to do and how to use the equipment correctly. Instructions also help to keep you safe.
investigations
Key words • investigation • instructions • equipment • measurements • observations • record • push
