vocab
comprehension
comprehension 2
comp. & inquiry skills
100
the distance an object travels in a certain time
What is speed
100
A heavy ball and a light ball are rolling at the same speed onthe same surface. Why will the heavy ball be harder to stop?
What is it has greater momentum.
100
A car stopped at a red light. The light turns green and the car starts accelerating 10km/hr every second. What will its speed be at the end of 3 seconds?
What is 30km/hr
100
Suppose you are watching a football game from a seat near the top of the stadium. What term describes your position and all of the things around you?
What is frame of reference
200
the tendency of an object to resist a change in motion
What is inertia
200
A marble rolls steadily at a speed of 1m/ sec in one direction for 2 minutes. What property of the marble is changing?
What is position.
200
As you walk you push against the ground and the ground pushes against you. What explains this?
What is Newton's 3rd Law
200
A truck, a car, a motorcycle, and a train are all moving at the same speed. Which has the most momentum?
What is the train.
300
the distance an odject travels in a certain direction in a certain time
What is velocity
300
If the same force acts on each of the objects, which will have the greatest acceleration? baseball or golf ball
What is golf ball.
300
A train is traveling on a curved track at a constant speed. Why is the train accelerating?
What is the direction is constantly changing.
300
Corey has tied an object to a string and is twirling it around in a circle. Use one of Newon's laws to PREDICT what will happen if he lets go of the string.
What is Newton's 1st Law, It will fly off in a straight line and soon hit the ground due to gravity.
400
the rate at which an object's velocity changes
What is acceleration
400
What is the same about this info? 10g 1m/ sec vs. 15g 1 m/sec
What is the speed.
400
What can you pick up with just one newton of force?
What is an apple
400
Nani and Kim are testing their dirby cars. Nani lets hers down a sandpaper-covered ramp. Kim lets hers down a smooth plastic ramp. IDENTIFY the variables in the test, and tell which variables you would control in order to determine which car design results in greater speed.
What is variables are car design, surface of ramps, and way each girl starts the car. Hold other variables constant.
500
How do you find momentum?
What is mass x velocity
500
Chris jumps up and puts a basketball in the hoop. What object is pushing against Chris so he can jump?
What is the ground.
500
Why do astonaunts ''float'' while they are in orbit?
What is inertia and gravity are balanced in orbit.
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