Vocabulary
What is the definition of position?
The location of an object.
Name the scientist who studied force and motion and came up with three laws, or rules, to explain how forces affect an object's motion. First and Last name are needed for points.
Sir Isaac Newton
This simple machine used grooved wheels and a rope to raise, lower, or move a load
Pulley
What is a force and what is it measured in?
A force is any push or pull that causes an object to move, stop, or change its speed or direction. It is measured in newtons(N).
Give an example of an object with potential energy.
A rollercoaster at the top of a hill.
What is the definition of pushing force?
A force that pushes an object
What is Newton's First Law of Motion?
Objects in motion stay in motion, objects at rest stay at rest unless acted on by an outside force
This simple machine has a stiff bar that rests on a middle support (fulcrum) that is used to lift or move a load
Lever
What is speed and how is it measured?
Speed describes how fast an object is moving. It is measured in units of distance per a given unit of time (i.e., miles per hour, or MPH).
Give an example of an object with kinetic energy.
When the rollercoaster zooms down the track.
What word means the force that acts on an object to stop its motion.
What is another word that is related to Newton's First Law of Motion?
Inertia
This simple machine is made up of a wheel with a rod (axle) through its center that lifts or moves loads
Wheel and Axle
How do we describe an objects position? (Using its what...?)
An object's position or location can be described using its relative location – where it is relative to another object or to the background. We can describe an object’s position by using words like under, near, to the east of, behind, etc. !
Give an example of a push and pull that you might experience in everyday life.
Push: Pushing your sister on a swing
Pull:Sliding a box towards you on the floor.
What is the definition of kinetic energy?
Energy of motion
What is Newton's Second Law of Motion?
Force = Mass x Acceleration
By increasing or decreasing the mass or acceleration of an object you change the force applied by that object
This simple machine is a slanted surface.
An inclined plane
What is momentum?
The product of the mass and velocity of an object
Give an example of Newton's First Law of motion.
The wagon is sitting still. It will stay at rest until Alex pulls the handle and makes it move.
What is the definition of gravity?
The force that pulls things toward Earth.
What is Newton's Third Law of Motion?
For every action, there is an equal and opposite reaction
This simple machine is an inclined plane that is wrapped around a pole. It is used to hold things together
A screw
If you increase the mass of an object, but want it to go just as fast as before, what must you also change?
The force applied to it.
Give an example of Newton's Second Law of Motion.
Josie is pushing the merry-go-round to make it turn. If she uses a light push, the merry-go-round will only spin a little. If she applies a greater force by pushing as hard as she can, the merry-go-round will spin more.