science

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1.
1 point
____________is an invisible force that slows down or stops a moving object.
2.
1 point
A pulley is used to ________ or ________ heavy objects.
3.
1 point
A ________ is two inclined planes put together that move.
4.
1 point
A ________ is an inclined plane wrapped around a cylinder.
5.
1 point
_______ or _______ is used to lift the load
6.
1 point
The object being lifted is called the ___________.
7.
1 point
____________ also holds things together
8.
1 point
_________ has a wheel with a groove around the rim and a rope or cable that fits in the groove.
9.
1 point
A screw moves objects along a __________(the raised spiral)
10.
1 point
A fixed pulley does / does not move?
11.
1 point
3 examples of a screw
12.
1 point
____________ is an invisible force that pulls objects towards the earth.
13.
1 point
An ________ ____________ changes the amount of force needed to do work. It takes less force to slide a load than to lift it.
14.
1 point
A moveable pulley does / does not move?
15.
1 point
Examples of wedges
16.
1 point
What does boycott mean?
17.
1 point
Examples of wheel & axles:
18.
1 point
An ____________ ______________ is a flat surface that is sloped, with one end higher than the other.
19.
1 point
3 examples of levers are:
20.
1 point
The people of Montgomery, Alabama helped Rosa Parks by boycotting the city buses.
21.
1 point
A _______ is a bar, or rod, that goes through the middle of a wheel?
22.
1 point
Examples of a pulley (3)
23.
1 point
All levers have a __________, or turning point.
24.
1 point
The only simple machine that does NOT move
25.
1 point
A ______ is a simple machine that makes it easier to lift or move objects
26.
1 point
________ ______________ got arrested because she refused to give up her seat on the buss to a white man.
27.
1 point
When an object is moved by a __________, Physicists say work has been done.
28.
1 point
Makes it easier to lift or split objects?
29.
1 point
3 examples of a screw
30.
1 point
Push =
Pull =
31.
1 point
A force is any __________ or ___________
32.
1 point
A ______ is a wheel with teeth or notches.
33.
1 point
3 examples of an ___________ _______________?