vocabulary
measuring motion
affecting motion
gravity and friction
100
the number of kilometers something can travel in one hour
What is a kilometer per hour?
100
distance divided by time
What is speed?
100
_______ of ________ are an equal push/pull that work together to help many different things move
What is pairs of forces?
100
_________ affects how things move on Earth and on the Moon.
What is gravity?
200
the tendency of an object to stay at rest to remain in motion unless an outside force causes a change
What is inertia?
200
the car is traveling 45 mph South
What is an example of velocity?
200
the ball is dropped by the claw and falls to the ground bouncing three times then rolling until it stops against the wall. tell what is/are the example(s) of inertia in this sentence.
What is the ground intrerupting the balls drop, or the ground as the ball bounces the three times up and down, or the wall stoping the roll of the ball
200
the difference between mass and weight
What is mass tells you how much matter is within the object; weight tells you how much gravity is affecting the mass of the object?
300
the force gravity exerts on an objects mass
What is gravity?
300
Carl drove with his family 150 miles in 5 hours. Tell me his speed
What is 30 miles per hour?
300
true or false When a frog jumps from a leaf, the force of the leaf on the frog is the reaction force.
What is true? the frog jumping onto leaf is the action force
300
the force of gravity between two objects is determined by their ___________.
What is distance?
400
the amount of matter within an object
What is mass?
400
Gina swam 36 meters in 6 hours. tell me her speed
What is 6 m/h?
400
true or false every still object has inertia
What is true?
400
_______ can help things move easier or not, like adding wheels to heavy objects or streamlining
What is friction?
500
measure of your speed in a particular direction
What is velocity?
500
Lucy traveled 12 km/hr North then turned and walked 12 km/hr east then turned and ran 12 km/hr south. how many times did her velocity change? Explain your answer.
What is "her velocity changed twice, once each time she changed direction and/or action."?
500
in the lab with flat and rough surfaces, we learned that it was easier to move things on ______ surfaces because the pairs of forces is more equal.
What is flat?
500
list three examples of friction
What is multiple answers?
M
e
n
u