Vocab
The total length of the path traveled by an object, regardless of direction.
distance
Everything on Earth is pulled ______ by gravity.
down
When there is more friction, objects move _________.
Applied force is when we _________ something to make it move.
apply force/push or pull
There are ____ countries in Asia.
48
A measure of the interval during which an event occurs.
time
All the planets orbit around the Sun because of the Sun's ________.
gravity
Friction _______ the motion of an object when two surfaces are in contact.
opposes
An applied force is either a push or a _____.
pull
Due to the expansion of iron in the heat, the Eiffel Tower can be ____ cm taller during the summer.
15
______, is the shortest straight-line path from the starting to ending point of an object's motion.
Displacement
This famous scientist is known for his laws of motion and his law of universal gravitation.
Isaac Newton
In _______, there is almost no friction.
space
When riding a bike, you apply ______ to make the bike move forward.
In 2022, Tesla sold over ________ vehicles in the US.
522,000
_______, or pushes and pulls, affect the motion of an object
Forces
Jupiter, because it has more _______ than Earth, has much more gravity.
mass
Adding this substance between two surfaces can reduce friction.
lubricant
This law states that for every action, there is an equal and opposite reaction.
Newton's Third Law
The circulatory system is over _________ miles long.
This is the rate of change of the velocity of an object with respect to time.
acceleration
Gravity is the ______ on Earth.
same wherever you are
Friction _______, as the force acting on it increases.
increases
This force slows down a rolling ball on the ground.
Friction
The shortest war in history, the __________ War of 1896, lasted 38 minutes.
Anglo-Zanzibar