RC 2 Review
Assessment
•
Hannah Schwieger
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Science
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8th Grade
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24 plays
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Medium
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271 questions
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1.
MULTIPLE CHOICE
45 sec • 1 pt
During a demonstration of Newton’s laws of motion, a student used the setup shown in Figure 1. The student flicked the index card with a fingertip, and the coin fell straight down into a plastic cup as shown in Figure 2. Which of these best explains why the coin fell straight down into the cup instead of remaining on the index card?
2.
MULTIPLE CHOICE
1 min • 1 pt
The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table below. Which vehicle has the greatest acceleration as it enters the highway?
3.
MULTIPLE CHOICE
30 sec • 1 pt
A student lets a toy car roll four times down a ramp that is 1 m long. Each time the student covers the surface of the ramp with a different material. The student measures the time it takes the car to roll down the ramp and records the results in the table below. Which of these would be the best conclusion based on the data in the table?
4.
MULTIPLE CHOICE
1 min • 1 pt
Sometimes tectonic plates do not move easily past one another, and the plates become stuck. Forces build up, and when the plates finally move, tension is released, as shown below. The sudden movement of the plates is caused by -
5.
MULTIPLE CHOICE
20 sec • 1 pt
According to Newton’s Law of Inertia, which of the following objects will change its motion?
6.
MULTIPLE CHOICE
20 sec • 1 pt
Safety belts protect people in cars in the event of an accident because, according to Newton’s Laws of Motion, when an impact causes the car to suddenly change its motion, -
7.
MULTIPLE CHOICE
1 min • 1 pt
A ball thrown into the air starts out with an initial upward velocity, but eventually slows and stops before falling back to the ground. Which of the following contributes the most to the change in motion of the ball?
8.
MULTIPLE CHOICE
1 min • 1 pt
According to Newton’s Law of Inertia, an object that is moving will change its motion only if what kinds of forces act on it?
9.
MULTIPLE CHOICE
1 min • 1 pt
A bowling ball is rolled with a certain speed and strikes a bowling pin with a force indicated by the arrow in this illustration. When the bowling ball strikes the bowling pin, the force applied by the pin to the ball -
10.
MULTIPLE CHOICE
45 sec • 1 pt
Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop?
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274 questions
2nd Six Weeks Extra Credit
•
6th - 8th Grade