Push and Pull
Is a slap a push or a pull action?
Are magnets push or pull?
Both:
Magnets can push objects away but also pull them closer depending on the side you use/ material.
What is one way we could make a bridge stronger?
Adding more support to either the sides, tops, or bottoms.
Is lifting a weight a push or a pull?
Both, it depends on where you lift it.
Objects that contain iron.
If you were going to build a bridge what would be the best material to use?
Steal
Stone
Metal
Why did the watermelon burst when we put the rubber bands on it?
The rubber bands created a pushing force greater than the rind of the watermelon.
Are paperclips magnets? Explain.
No but they can stick to magnets.
Which U.S. city was the Golden Gate Bridge in?
San Francisco
Why did the hoppers hop off of the table?
The kid. The kid doesn't create as much friction as the adult because the kid weighs less.
What were the three different types of bridges we discussed in class?
Arch Bridge
Suspension Bridge
Truss Bridge
In a game of Tug-of-War, why would it be difficult to win against a bunch of adults? Why?
Because the adults cause more friction. They are bigger so they have more to push against the ground causing more friction.
How could you make yourself go faster down a slide?
By using different materials to build the slide or wearing different clothing, causing more friction between yourself and the slide.
Why was suspension bridge a good design for the Golden Gate Bridge?
It created the most support while still leaving enough room for the ships to pass underneath.