TRUE OR FALSE: Friction make things move fast.
FALSE
Do you think the parachutes fall faster or slower when the person is heavier?
Faster
How to make a parachut fall more slowly?
Make it bigger
TRUE OR FALSE: The larger the surface area of the moving object, the more air resistance there is.
TRUE
Name 2 forces that acted on your parachute after toy dropped it.
Gravity and air resistance
Why the parachutes fall faster when the person is heavier?
The heavier the person, the greater the force of gravity.
Which parachute will fall faster?
The biggest
Give 4 examples of friction
Skating, Walking on the road, Writing on notebook, Flying of aeroplanes
Another name of air resistance or water resistance.
Drag
TRUE OR FALSE: Friction only acts on moving objects.
TRUE
Friction is a force between two surfaces that are trying to _____ each other.
slide past
Which parachute took longer to fall? Why
The bigger parachute took longer to fall. The larger surface area of plastic caused more air resistance