What is how quickly or slowly the object is moving.
100
A car traveling 100m in 10s is traveling what speed?
What is 10m/s
100
What 2 forces act on a ball once you toss it?
What is gravity and friction?
100
If an object is pushed harder in the direction that it is already moving it will move ____.
What is faster?
100
According to inertia, if no forces act on a moving object, it will
What is remain in motion?
200
On a graph showing distance versis time, what does a horizontal line connecting the plotted points represent?
What is an object that is not moving at all.
200
A rock and a brick fall off a forty foot building at the sme time. The brick is three times the mass of the rock. Which one will hit the ground first?
What is - they will hit at the same time.
200
How can you make a toy car go down a ramp more slowly?
What is increase the mass?
200
Which of the following would take the least amount of force to move? minivan, small car, truck with trailer, or a school bus?
What is small car?
200
If you are riding a bike and it suddenly stops, what happens to your body?
What is keeps moving forward?
300
A jet plane travels for 5 hours covering a distance of 600 miles. Which equation is used to find the average speed of the jet?
What is speed = distance / time
300
Friction acts in a direction ________ to an object's direction of motion.
What is opposite?
300
Trucks with more powerful engines are used to moved loads that are heavier because the greateer the ____ of an object, the greateer the force must be to move the object.
What is mass?
300
When two unbalanced forces act in the same direction they are added? or subtracted?
What is added?
300
You put a tennis ball at the top of the ramp and let it roll down and measure how far it rolls. You repeat this five times with different types of balls. What is the control variable?
What is the height of the ramp?
400
A bicyclist travels 30 km in two hours what is her average speed?
What is 15km/hr
400
Which material when placed under a book would best prevent the book from sliding down a ram?
What is a rubber mat?
400
Out of a ping pong ball, tennis ball, bowling ball, and a baseball, which one will move the fastest?
What is ping pong ball?
400
Support wires work to hold a sign in place because they create a ___________ force.
What is balanced?
400
To determine the average speed of runners on a track team, you need the time (using a stopwatch) and all runners must run the same _________.
What is distance?
500
A salesman travels 120 km in first hour, 53 km in second hour, and 88 km in third hour. What is his average speed?
What is 87 km/h
500
Friction CANNOT be reduced by increasing the ____ of the objects.
What is mass?
500
A bumper car travelling 5 km/h south collides with one that is traveling 8 km/h north. If all factors are equal, which direction will the first car move after the impact?
What is North?
500
What property of matter makes you feel like you are leaning backward when a car suddenly goes faster?
What is inertia, because your body resist a change in motion.
500
What tool should be used to measure the distance around the outside of the school?