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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
a. machine is used to move the object.
B
b. the force is not in the direction of the object’s motion.
C
d. the object accelerates
D
c. the force is greater than the force of friction
2) What would the world be like without any friction?
A
you would be stuck to the floor
B
The world would be fine
C
nothing would happen
D
slippery and hard to walk
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 ball being dropped
C
A football player standing still
D
A person holding a ball
4) What is the importance of gravity within the solar system?
A
Gravity allows objects to stick to the wall
B
There is no importance of gravity within the solar system.
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 float
5) Which example proves Newton's Third Law of Motion?
A
a car that has a force of 20 Newtons
B
A magnet
C
a ball rolling
D
A pogostick
6) When you slide a box across the floor what force must your push be stronger than?
A
Gravity
B
Air resistance
C
Friction Force
D
Support Force
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
All of Newton's laws
B
Newton's 3rd Law
C
Newton's 2nd 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
The forces acting on the paper are balanced.
B
There are no forces acting on your paper.
C
The desk pushes on your paper only
D
Your paper pushes on the desk only.
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
All of Newton's Law
B
Newton's 1st Law
C
Newton's 2nd 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 1st Law
C
Newton's 4th Law
D
Newton's 3rd 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
bar
B
wand
C
doughnut
D
horseshoe
13) Earth's magnetic field _________
A
extends into space
B
stays on earth
C
only goes east and west
D
only goes north and south
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
One pole is north and the other is unknown
B
The magnets opposite poles must be touching
C
Unlike poles repel, so they move away from each other
D
The magnets are either touching north-north or south-south
15) Static electricity has been discharged when ____________
A
Static electricity gives off many different colors
B
Heat is released that can be felt.
C
nothing happens
D
Light is released and you can feel a shock.
16) what are the main parts of a circuit?
A
power source, load, wood connector
B
load, connector and switch
C
a power source, a load, connectors and a switch.
D
switch, power source
17) Using your prior knowledge which one is the best conductor?
A
slime
B
metal
C
wood
D
paper
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
Put the cans in water
B
Sort the cans by size
C
Put the cans under a strong magnet
D
Cool the cans to a very low temperature
19) To which end of the horseshoe magnet will the north end of the magnet be attracted to? Explain your answer.
A
the north end
B
the south end
C
the west end
D
the east end
*select an answer for all questions
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