Science 3rd grade | UNIT 2: Looking after ourselves 2.4 Exercise and sleep
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To be healthy you need to look after your body in different ways.
You need a healthy diet, exercise and sleep.
Who is doing exercise in this picture?
exercise
Exercise is lots of movement.
Playing, running and walking are all good exercise.
Exercise makes your heart, bones and muscles strong.
Sleep is also important for keeping healthy.
Most school children need 10-12 hours of sleep.
Activity 2.4 (What happens when we exercise?)
You will need: lots of space - stopwatch
Look at the pictures to see what to do.
Challenge
Predict what will happen if you exercise for longer.
Questions
1) Which of these is exercise: running, jumping, reading, sleeping, skipping, playing football?
2) Copy and complete the sentence. Exercise is good for your …………………………. and …………………
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