Cambridge Primary, Stage 4, Activities to support you at home

Cambridge Primary, Stage 4, Activities to support you at home.

Фрагмент из книги:
Comparatives quiz cards.
Tell the learners that they are going to receive a quiz in the form of 12 cards to do with their partners.
Distribute one set of the Comparatives quiz cards to each pair of learners. If your class is lower ability, you could use only the first six cards. In a mixed class, pair lower- and higher-level learners together.

Cambridge Primary, Stage 4, Activities to support you at home


Observe how vibrations cause sound.
This is a practical activity. All sound is caused by vibrations.
You will explore how different materials vibrate to make sounds.
1 Stretch out the elastic band, like the girl in the picture. Get a partner to pull it gently and let go.
Observe the vibrations of the elastic band.
a Does the elastic band make a sound when it vibrates? yes/no
b Pull the elastic band harder. What happens to the size of the vibrations?
c What happens to the sound?

2 Hold one end of the ruler on the edge of a desk.
Get your partner to push the other end down and let go. Observe the vibrations of the ruler.
a Does the ruler make a sound when it vibrates? yes/no
b Push harder on the end of the ruler. What happens to the size of the vibrations?
c What happens to the sound?



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2021-09-26 23:37:28