Unit 3 And 4 Review Game Russo Question Preview (ID: 36243)
Newton's And Magnets.
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Using your prior knowledge which one is the best conductor?
a) wood
b) slime
c) metal
d) paper
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
what are the main parts of a circuit?
a) a power source, a load, connectors and a switch.
b) power source, load, wood connector
c) load, connector and switch
d) switch, power source
Static electricity has been discharged when ____________
a) Heat is released that can be felt.
b) Light is released and you can feel a shock.
c) nothing happens
d) Static electricity gives off many different colors
Dr Rosen has just managed to stack two disc magnets on top of each other. Which statement below can explain how this happened?
a) The magnets opposite poles must be touching
b) Unlike poles repel, so they move away from each other
c) The magnets are either touching north-north or south-south
d) One pole is north and the other is unknown
The type of magnet that is said to be inside the Earth is a _________ magnet
a) horseshoe
b) doughnut
c) bar
d) wand
Earth's magnetic field _________
a) stays on earth
b) extends into space
c) only goes north and south
d) only goes east and west
If someone were to say that the Earth has an internal magnet, would they be incorrect?
a) yes
b) no
c)
d)
This test paper is sitting on your desk. Which of the following statements best describes this situation?
a) There are no forces acting on your paper.
b) Your paper pushes on the desk only.
c) The desk pushes on your paper only
d) The forces acting on the paper are balanced.
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) Newton's 3rd Law
d) All of Newton's Law
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 2nd Law
c) Newton's 3rd Law
d) Newton's 4th Law
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 1st law
b) Newton's 2nd law
c) Newton's 3rd Law
d) All of Newton's laws
Which example proves Newton's Third Law of Motion?
a) a car that has a force of 20 Newtons
b) a ball rolling
c) A pogostick
d) A magnet
When you slide a box across the floor what force must your push be stronger than?
a) Support Force
b) Friction Force
c) Air resistance
d) Gravity
What is the importance of gravity within the solar system?
a) Gravity allows objects to float
b) There is no importance of gravity within the solar system.
c) Gravity allows objects to stick to the wall
d) Gravity keeps the planets in orbit and allows everything with mass to be pull down to the center of the Earth
What is one example of inertia used in everyday life and explain.
a) A ball being dropped
b) A person holding a ball
c) A 220 pound football player tackling a 320 pound football player
d) A football player standing still
What would the world be like without any friction?
a) slippery and hard to walk
b) you would be stuck to the floor
c) nothing would happen
d) The world would be fine
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) c. the force is greater than the force of friction
d) d. the object accelerates
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
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