STEM
What Does STEM stand for?
Science, Technology, Engineering, and Math
What type of simple machine is a seesaw?
Lever
Who founded the laws of motion?
Sir Isaac Newton
What is a force?
A push or Pull
What is energy?
The ability to do work
What law is this example "When you turn off a fan, the fan blades continue to move for awhile, even without electricity"
1st Law
A door stop is what type of simple machine?
(lever, screw, wedge, pulley, or incline plane)
Wedge
What does Newtons 1st law state?
An object in motion/rest will remain in motion/rest
What's the constant force that is always being applied on us?
Gravity
There are two main forms of energy what are they?
Kinetic and potential energy
In STEM what measurement system do we use?
1) Metric
2) American
Metric
How many simple machines are there?
(2, 4, 6, 7, or 10)
6
What does newton's third law state?
For every action there is an equal and opposite reaction
Which of the following is a contact force? 1) gravity 2) friction 3) temperature or 4) speed
Friction
What is kinetic energy?
Energy in motion
Is "meters" metric or american system?
Metric
A water well is an example of what simple machine?
Pulley
What does newton's second law state?
An object's acceleration depends on its mass and force acting on it
What force slows a skydiver down when he deploys his parachute?
Air resistance
What is potential energy?
Energy at rest
Energy must either be what? transferred or destroyed?
Transferred it can never be destroyed
How many classes of levers are there?
(1, 2, or 3)
3
Is this an directly proportional relationship or an inversely related relationship? F=m x a
Directly
Which of the following is a non contact force?
1) spring
2) friction
3) magnetic
4) Tension
What law is it where energy can neither be created or destroyed?
1) Law of 2 energies
2) law of conservation of energy
3) Law of potential
law of conservation of energy