1) Why is it hard to win a tug-of-war against a group of teachers? a) Teachers try really hard. b) Teachers have more legs than students. c) Teachers have a lot of friction. d) Teachers can push really hard. 2) A student gives a red toy car a push on a wooden floor. The student then pushes the same red toy car on a cement floor. Which question is the student most likely investigating? a) How fast does a toy car usually roll? b) What is the best way to make a toy car roll? c) which surface allows the toy car to roll farther? d) Does color have an effect on the distance a toy car rolls? 3) Jeanne put her soccer ball on the ground on the side of a hill. Which force acted on the soccer ball to make it roll down the hill? a) electricity b) gravity c) friction d) magnetism 4) Josh jumps rope. No matter how high he jumps, he still returns to the ground. What force pulls him back to the ground? a) Inertia b) Friction c) Pressure d) Gravity 5) A student is riding a bike and applies the brakes. Which most helps the bike to stop? a) friction b) gravity c) momentum d) heat 6) Two people are each pulling on the opposite ends of a rope. If they are pulling on the rope with equal but opposite forces, what will happen to the rope? a) It will move to the left. b) It will stay in place between the two people. c) It will move to the right. d) It will fall to the ground. 7) The last rubber band caused the watermelon to burst because a) it was stronger than the other rubber bands. b) it was thicker than the other rubber bands. c) it was the last rubber band in the bag. d) it created a force that was greater than the force of the watermelon rind. 8) A truck needs more distance to stop than a car because a) The truck is longer. b) The truck has more mass. c) The truck has larger wheels. d) The truck has a larger engine. 9) A smaller box with less mass will a) slide easily and the farthest. b) slide the easiest and the shortest. c) slide the hardest and the farthest. d) slide the hardest and the shortest. 10) What kind of surface would create the least amount of friction while riding your bike? a) rough surface b) flat surface 11) When a car moves forward suddenly, a) you will move forward. b) you will hit the back of your seat. c) you will move to the left. d) you will move to the right. 12) An empty wagon will travel faster than a wagon with a rider. a)  True b) Faster 13) When a ball hits a brick wall, the ball moves a) towards the wall. b) to the side. c) up. d) away from the wall. 14) A steep ramp will cause objects to roll down faster. a) True b) False

Force and Motion

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