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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
d. the object accelerates
B
b. the force is not in the direction of the object’s motion.
C
a. machine is used to move the object.
D
c. the force is greater than the force of friction
2) What would the world be like without any friction?
A
nothing would happen
B
The world would be fine
C
you would be stuck to the floor
D
slippery and hard to walk
3) What is one example of inertia used in everyday life and explain.
A
A person holding a ball
B
A 220 pound football player tackling a 320 pound football player
C
A football player standing still
D
A ball being dropped
4) What is the importance of gravity within the solar system?
A
Gravity keeps the planets in orbit and allows everything with mass to be pull down to the center of the Earth
B
There is no importance of gravity within the solar system.
C
Gravity allows objects to float
D
Gravity allows objects to stick to the wall
5) Which example proves Newton's Third Law of Motion?
A
A magnet
B
A pogostick
C
a car that has a force of 20 Newtons
D
a ball rolling
6) When you slide a box across the floor what force must your push be stronger than?
A
Support Force
B
Gravity
C
Air resistance
D
Friction 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
Newton's 2nd law
B
All of Newton's laws
C
Newton's 1st law
D
Newton's 3rd 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
The desk pushes on your paper only
C
There are no forces acting on your paper.
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 1st Law
B
Newton's 3rd Law
C
Newton's 4th Law
D
Newton's 2nd Law
11) If someone were to say that the Earth has an internal magnet, would they be incorrect?
A
yes
B
no
12) The type of magnet that is said to be inside the Earth is a _________ magnet
A
horseshoe
B
bar
C
wand
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
nothing happens
B
Heat is released that can be felt.
C
Light is released and you can feel a shock.
D
Static electricity gives off many different colors
16) what are the main parts of a circuit?
A
a power source, a load, connectors and a switch.
B
load, connector and switch
C
power source, load, wood connector
D
switch, power source
17) Using your prior knowledge which one is the best conductor?
A
paper
B
slime
C
wood
D
metal
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 under a strong magnet
B
Put the cans in water
C
Cool the cans to a very low temperature
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 south end
B
the north end
C
the east end
D
the west end
*select an answer for all questions
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