Vocabulary
Bridges
Multiple Choice
100
to move an object away from you is called a _______
push
100
What type of bridge is this?
Arch Bridge
100
Why is it hard to win a tug-of-war against a group of teachers?
a. Teachers try really hard.
b. Teachers have more legs than students.
c. Teachers have a lot of friction.
d. Teachers can push really hard.
c. Teachers have a lot of friction.
200
to move an object toward you is called a ______
Pull
200
What type of bridge is this?
Pillar Bridge
200
The last rubber band caused the watermelon to burst because _________.
a. it was stronger than the other rubber bands.
b. it was thicker than the other rubber bands.
c. it was the last rubber band in the bag.
d. it created a force that was greater than the force of the watermelon rind.
d. it created a force that was greater than the force of the watermelon rind.
300
an invisible force that pulls any object down, toward the Earth is called
gravity
300
What type of bridge is this?
Suspension bridge
300
Magnets attract _____________.
a. objects that contain iron.
b. only other magnets.
c. anything made of metal.
d. things that are not too heavy.
a. objects that contain iron.
400
to guess what will happen based on things you know is called a ________
prediction
400
Share some things that went well while building your bridge.
Answers will vary
400
Why was a suspension bridge a good design for the Golden Gate Bridge in San Francisco?
a. Ships had to pass underneath the bridge.
b. It has a lot of pillars underneath to support it.
c. The distance the bridge had to cross wasn’t very long.
d. The water under the bridge was very shallow.
a. Ships had to pass underneath the bridge.
500
an invisible force that resists the motion of an object is called ________
friction
500
Share some things that didn't go well while building your bridge. How did you change things after?
Answers will vary
500
A trapeze won’t swing forever because ___________.
a. a trapeze is too heavy to keep swinging.
b. friction and air resistance slow the trapeze down.
c. a trapeze isn’t heavy enough to keep swinging.
d. the ropes of the trapeze aren’t long enough.
b. friction and air resistance slow the trapeze down.