Our Science and Technology unit for this term focuses on students
understanding how their toys work. They will look at the forces involved in
toys including push-pull, friction and gravity. Forces are at work in everything we do—we push to open doors, and
pull to tie ropes. Gravity pulls on things to make them fall down or to keep
them down. Through investigations, students will have the opportunity to observe
and gather evidence about how these forces act in air and water, and on the
ground. Students identify the effect of the pull of gravity and learn that both
air and water can ‘push’.
In our first
lesson we defined what “push” and “pull” mean and investigated how our toy cars can be moved through using the forces of push and pull. Some students also realised
that they could use air, which is a form of stored energy, to also move the toy
cars. 
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