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Unit 3 And 4 Review Game Russo
Test Description: Newton's and Magnets
Instructions: Answer all questions to get your test result.
1) The force of the moving object does do work if______________
A
c. the force is greater than the force of friction
B
b. the force is not in the direction of the object’s motion.
C
d. the object accelerates
D
a. machine is used to move the object.
2) What would the world be like without any friction?
A
slippery and hard to walk
B
The world would be fine
C
nothing would happen
D
you would be stuck to the floor
3) What is one example of inertia used in everyday life and explain.
A
A 220 pound football player tackling a 320 pound football player
B
A person holding a ball
C
A football player standing still
D
A ball being dropped
4) What is the importance of gravity within the solar system?
A
There is no importance of gravity within the solar system.
B
Gravity allows objects to float
C
Gravity keeps the planets in orbit and allows everything with mass to be pull down to the center of the Earth
D
Gravity allows objects to stick to the wall
5) Which example proves Newton's Third Law of Motion?
A
a car that has a force of 20 Newtons
B
A pogostick
C
a ball rolling
D
A magnet
6) When you slide a box across the floor what force must your push be stronger than?
A
Support Force
B
Air resistance
C
Friction Force
D
Gravity
7) Which of Newton's Three Laws does the following statement satisfy? An object at rest tends to stay at rest and an object in motion tends to stay in motion in a straight line at a steady speed until an unbalanced force acts upon it.
A
Newton's 2nd law
B
All of Newton's laws
C
Newton's 3rd Law
D
Newton's 1st law
8) This test paper is sitting on your desk. Which of the following statements best describes this situation?
A
Your paper pushes on the desk only.
B
The desk pushes on your paper only
C
The forces acting on the paper are balanced.
D
There are no forces acting on your paper.
9) When you are wearing your seatbelt in a car which law of motion prevents you from flying through the windshield if in an accident?
A
Newton's 1st Law
B
Newton's 2nd Law
C
All of Newton's Law
D
Newton's 3rd Law
10) Which of Newton's Laws does this statement satisfy, More mass means more force needed to accelerate
A
Newton's 2nd Law
B
Newton's 3rd Law
C
Newton's 4th Law
D
Newton's 1st Law
11) If someone were to say that the Earth has an internal magnet, would they be incorrect?
A
no
B
yes
12) The type of magnet that is said to be inside the Earth is a _________ magnet
A
wand
B
bar
C
horseshoe
D
doughnut
13) Earth's magnetic field _________
A
stays on earth
B
only goes north and south
C
only goes east and west
D
extends into space
14) Dr Rosen has just managed to stack two disc magnets on top of each other. Which statement below can explain how this happened?
A
Unlike poles repel, so they move away from each other
B
The magnets are either touching north-north or south-south
C
One pole is north and the other is unknown
D
The magnets opposite poles must be touching
15) Static electricity has been discharged when ____________
A
Light is released and you can feel a shock.
B
Heat is released that can be felt.
C
Static electricity gives off many different colors
D
nothing happens
16) what are the main parts of a circuit?
A
switch, power source
B
power source, load, wood connector
C
load, connector and switch
D
a power source, a load, connectors and a switch.
17) Using your prior knowledge which one is the best conductor?
A
paper
B
wood
C
metal
D
slime
18) In a recycling center, steel cans need to be separated from aluminum cans. Which of the following methods should be used to separate the two types of cans?
A
Cool the cans to a very low temperature
B
Put the cans under a strong magnet
C
Put the cans in water
D
Sort the cans by size
19) To which end of the horseshoe magnet will the north end of the magnet be attracted to? Explain your answer.
A
the east end
B
the north end
C
the west end
D
the south end
*select an answer for all questions
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