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Gravity pulls objects toward where?
Earth
Friction is a force that does what?
Slows things down
What is thrust?
A pushing force
What does a magnet do?
Attracts metal
What does streamlined mean?
Smooth shape to move easily
What is an alloy?
A mixture of metals
What does exert mean?
To apply a force
Name one force acting on a sailing boat
Wind
What force helps the boat float?
Upthrust (buoyancy)
What does friction do to a moving boat?
Slows it down
Why are paper clips attracted to a magnet?
They are made of metal (iron/steel)
What is the independent variable in the magnet test?
The magnet used
What is the dependent variable?
Number of paper clips picked up
Why use the same paper clips each time?
To keep the test fair
How can the test be more reliable?
Repeat and average results
What is a satellite?
An object that orbits a planet
