# NCSCOS 7.P.1.1 Newton, Position, Speed

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Grade 7

Science

North Carolina Standard Course of Study

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10 questions

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- Q1Alex is writing down notes as he watches his friend Carla in a bicycle race. He makes the following notes. Which notes show that Carla’s bicycle is in MOTION?2, 3, and 41, 2, and 51, 2, and 32, 3, and 530s7.P.1.1
- Q2The car is described as traveling east at 30 km/hr. From which reference point in the diagram is the motion of the car MOST likely being described? (HINT- what do you know about reference points?)TireBicyclistRoad SignPassenger in the car30s7.P.1.1
- Q3Isaac Newton discovered the three laws of motion. Which example BEST illustrates Newton’s third law of motion, which describes action and reaction forces?a heavier ball falls at the same speed as a lighter balla vehicle rounds a curve and changes its accelerationa book slides forward on a seat when the car stopsa rocket takes off from the ground30s7.P.1.1
- Q4A student walking quickly while carrying an orange on his lunch tray stops suddenly. The orange will MOST likely roll off the tray due tofriction acting on the orangeequal and opposite force acting on the orangeAir resistanceInertia which means that an object in motion wants to stay in motion30s7.P.1.1
- Q5A 60-kg man and a 25-kg boy, both on roller skates, push off of each other using their hands. Which of these describes the motion of the two people? (Hint- think about Newton's 2nd law)The man moves farther but the same speed as the boyThe boy moves farther and faster than the manThe boy moves faster but the same distance as the manThe man moves farther and faster than the boy30s7.P.1.1
- Q6Which of the following is accelerationAll of these are accelerationDecreasing speedIncreasing speedChange in direction30s7.P.1.1
- Q7Which of these items would make the best reference point?a train movinga treeyoua runner passing by30s7.P.1.1
- Q8A car travels down the road at a steady speed of 60 mph. How far will it travel in 6 hours?60 miles10 miles6 miles360 miles30s7.P.1.1
- Q9A car travels 150 miles in 5 hours, at what speed was it traveling?30 mph150 mph5/15 mph750 mph30s7.P.1.1
- Q10How long will it take a bike rider to travel 36 miles at a speed of 9 mph?4 hours36 minutes.25 hours or 15 minutes324 hours30s7.P.1.1