Tug of War
What type of force would you be applying if you shoved someone?
Push
What type of bridge has supports that push the bridge up from below with supports that attach to the ground?
Pillar bridge
Rough surfaces have what kind of friction?
High friction
What types of objects did the magnets pick up?
Metal (specifically iron)
Magnets can work at a distance. What does this mean?
Magnets can attract without touching something.
What type of force would you be applying if you yanked a rope toward you?
Pull
What type of bridge hangs from supports built above it?
Suspension bridge
Smooth plastic items like buttons have what kind of friction?
low friction
What is the characteristic of magnets that pulls things towards them?
Attraction (or attract)
What were the supplies that were used to make your lock move in your door model?
paper clip and brad
Why did the balloon burst when Doug stepped on it?
He applied enough force to break the balloon.
Ships had to be able to pass underneath the Golden Gate Bridge. So the best type of bridge for it to be was...
Suspension bridge
Name 2 things you use to make going down a slide faster.
Example answers: oil, water, slippery clothes, plastic sled
What is the characteristic of magnets that can push other magnets away from them?
Repulsion (or repel)
What is a similarity between a sliding lock and a rotating lock?
There are parts on both the wall and the door.
Why is it hard to win tug-of-war against a group of teachers?
Teachers can push (or pull) really hard!
Why could the Golden Gate Bridge not be a pillar bridge?
The water was too deep.
Name 2 things you could put on a slide to make you go down it slower.
Example answers: dirt, sand, gravel, carpet
Name 3 things that a magnet's effect can pull through.
Example answers: air, glass, skin, wood, plastic, paper, cardboard, water, oil, etc.
What two properties of magnets were shown by the magnetic lock door model?
attraction and acting at a distance
Why did the last rubber band cause the watermelon to burst?
It created a force that was greater than the force of the watermelon rind.
Why could the Golden Gate Bridge not be an arch bridge?
The distance was too far to use an arch bridge.
What characteristic of a slide could overcome the friction an object has and make it move?
Steepness
What is the invisible area around a magnet that pulls metal objects toward them?
Magnetic field
The magnet train uses the repelling property of magnets to move at high speeds. Why does the train move so smoothly?
There is no friction!