Newton's 3rd Law of Motion states that forces act in ___________.
What is pairs?
100
Machines are designed to make work ____________.
What is easier?
100
Energy is the ability to do _____________.
What is work?
100
Energy Conversions is when energy is __________from one form of energy to another.
What is changed (converted)?
200
As the mass between 2 objects increases, the force of gravity _______________.
What is increases?
200
An object at rest will stay at rest; an object in motion will stay in motion - unless acted upon by an outside force is known as which Law of Motion?
What is Law 1?
200
Two or more simple machines that are put together form a _____________________.
What is a compound machine?
200
__________ energy is due to the random motion of particles.
What is Thermal?
200
Growing flowers is what type of energy conversion?
What is light energy to chemical energy?
300
As the distance between objects increases, the force of gravity ______________.
What is decreases?
300
Newton's 2nd Law of Motion says that the ______________ of an object depends on the mass of the object and the force applied.
What is acceleration?
300
A bar that pivots on a fulcrum is called a ____________.
What is a lever?
300
_____________energy comes from a compound that changes as its atoms are rearranged.
What is Chemical?
300
Using the microwave is what type of energy conversion?
What is electrical energy to light energy?
400
__________ is measured in Newtons and is the measure of gravitational force.
What is weight?
400
The tendency of all objects to resist any change in motion is called _________________.
What is Inertia?
400
A machine that consists of two circular objects of different sizes is called a __________________.
What is a wheel and axle?
400
Electrical energy is the energy of moving ____________.
What are electrons?
400
Running in a race uses what type of energy conversion?
What is chemical energy to kinetic energy?
500
If a flat sheet of paper hits the floor after a crumpled piece of paper, it does so because there is more ______ ___________ pushing against a greater amount of surface area.
What is air resistance?
500
Two football players run into each other and both fall back in opposite directions. Which law does this demonstrate?
What is Newton's 3rd Law of motion?
500
A machine made up of two inclined planes that moves things apart.
What is a wedge?
500
Light energy is produced by the vibrations of _________ __________ ______________.