Like this presentation? Why not share!

# Helicopters

## on May 20, 2009

• 1,914 views

Investigation Skills Activity for KS3 Science

Investigation Skills Activity for KS3 Science

### Views

Total Views
1,914
Views on SlideShare
1,914
Embed Views
0

Likes
0
32
0

No embeds

### Report content

• Comment goes here.
Are you sure you want to

## HelicoptersPresentation Transcript

• Helicopter Investigation
• Have a look at a helicopter. ? Work out how to make one. (5 minutes)
• How to drop a Helicopter Get ready!
• Start the clock when the Dropper lets go. Stop the clock when the helicopter hits the floor.
• Don’t throw the helicopter – just let it fall. If it bumps into you on the way down, do that reading again.
• What variables might affect the time it takes to fall?
• The thing we change is called the independent variable.
• The thing we measure is called the dependent variable.
• I’ve got a MuDdy CHIN! we Measure the Dependent variable we CHange the INdependent variable
• Forces What force is pulling the helicopter down? What force is stopping it from dropping like a stone?
• The helicopters don’t take very long to fall – just a couple of seconds. How can we get more accurate times?
• Carrying out the investigation • Make a helicopter. • Drop it, time it and write down the reading. Take three readings. • Cut 1cm off each wing. • Do another three readings. • Cut off another 1cm. • Carry on until you run out of wings!