Simple Machines
What is a screw?
The three states of matter
What is solid, liquid, and gas?
A group of one kind of atoms
What is an element?
He discovered the Laws of Motion
Who is Isaac Newton?
This type of energy is in motion
What is kinetic energy?
Two inclined planes back to back used to push things apart
What is a wedge?
This state of matter has a specific shape and size
What are solids?
Two or more atoms combined
What is a molecule?
The push or pull on an object
What is force?
What is hydropower?
He used math to build simple machines to protect his country from the Romans
Who is Archimedes?
This state of matter expands to whatever space it is in
What is gas?
Positively charged particles inside an atom
What are protons?
A force that slows down movement
What is friction?
High frequency or high-pitched sounds that we cannot hear
What are ultrasounds?
What is effort?
Lots and lots of gas energy squeezed into a tiny space
What is compressed gas?
The number of protons an atom has
What is the atomic number?
A change in speed and direction something is going
What is acceleration?
Oxygen, heat, and fuel come together to form this
What is a fire triangle?
A point that has a bar that goes up and down over it
What is a fulcrum?
The ability of an object to be made into wire
What is ductility? (lesson 1)
Electrons on the outer shell
What are valence electrons?
Newton's Third Law of Motion
What is for every action there is an equal and opposite reaction?
This is the words that LED stand for