Science Flashcards
What is a change in an object’s position over time
Motion
_____ is the path a moving object follows
Direction
A _____ describes the push or pull of an object
Force
When two or more objects rub against each other, they create ____
Friction
Friction is a________ that opposes the motion of one object moving past another
Force
_______ is how fast or slow an object is moving
Speed
_______ is a measure of the amount of matter in an object
Mass
Who is well known for researching the law of gravity?
Sir Isaac Newton
All objects fall at the same rate of ______
Speed
The force that pulls falling objects towards Earth is?
Gravity
A ball is thrown up into the air. What will the force of gravity cause the ball to do?
Come back down
Gravity and friction are examples of
Forces
The measure of how far an object has traveled?
Distance
Gravity is a natural force that______ all objects towards the center of Earth
Pulls
An object in motion will stay in motion unless what happens?
A force acts on it