Power point

Scientific Enquiry

UnitScience and Technology

TopicInvention

Matthayom 5

The world’s best parachute

What a parachute is?

What it does?

A parachute is a large piece of cloth or fabric that slows

down an object when falling through the

air.

Scientific Enquiry

What would happen if the parachute was really to big ?

What would happen if it was too small?

Why does a parachute float?

Scientific Enquiry

floating

gravity

air resistance

30cm square pieces of thin material

cotton thread

scissors

masking tape

Plasticine

Scientific Enquiry

1. Cut out a circle from each piece of material.(the size was vary)

2. Attach four pieces of cotton to the material with the tape.

3. The loose end of the cotton should attach to a small piece of Plasticine.

Scientific Enquiry

Can you explain why

your parachute worked?

What problem did you have when you

were testing it?

Scientific Enquiry

A parachute work because in the air have air resistance so that it help a parachute slow down when it falling through the air and have gravity so that it keep a parachute come down not float away.

Scientific Enquiry

If a parachute is too big it will fall down slowly.

If a parachute is too small it will fall down quickly.

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