Forces
What force moves an object towards you?
Pull
What helps hold the weight of a suspension bridge in the air so it does not fall down?
Ropes hung from tall poles
What is it called when magnets pull objects toward them?
They attract
Ice boards create a change in the position of an object. What is that called?
Motion
What is a push or pull called?
Force
What force moves an object away from you?
Push
What bridge has a curved arch in the center?
Arch Bridge
What is it called when magnets push objects away from them?
They repel
When someone rides an ice board what force do their feet and legs makes against the board (push or pull)?
Push
What happens when you put too many rubber bands on a watermelon?
It breaks open
What invisible force resists the motion of an object?
Friction
What type of bridge is the Golden Gate Bridge?
Suspension Bridge
What direction does the magnetic needle of a compass point?
North
When someone rides an ice board what force do their arms make while holding the rope attached to the sail?
Pull
What force pulls objects toward Earth?
Gravity
What are equal forces that push or pull in opposite directions so an object does not move?
Balanced Forces
What bridge is supported by thick poles?
Pillar Bridge
Magnets interact in two ways-how?
Attract and repel
How can the wind help someone ride an ice board?
The wind can push against the sail.
What part of a compass is magnetic?
The needle
What are two forces that push and pull in opposite directions while one force is greater than the other?
Unbalanced Forces
What bridge has triangle shaped supports?
Truss Bridge
What is the biggest magnet in the world?
Earth
How can a compass be useful on an ice board?
Compass has a magnetic needle that points North and can help show riders what direction they are going.
What is the most important part of winning tug of war?
Pushing hard against the floor or ground.