A wave, such as a sound wave or a seismic wave, that transfers kinetic energy through matter
What is a mechanical wave?
100
A speed in a specific direction
What is velocity?
100
The formula for acceleration
What is vf-vi?
100
A simple machine that is an inclined plane wrapped around a cylinder; can be used to raise and lower weights as well as to fasten objects
What is a screw?
200
A set of chemical symbols showing the elements present in a compound and their relative proportions
What is a chemical formula?
200
A combination of two or more substances that do not combine chemically but remain the same individual substances
What is a mixture?
200
The resistance of an object to a change in the speed or the direction of its motion
What is inertia?
200
The formula for potential energy
What is PE=mgh?
200
A simple machine that is a sloping surface, such as a ramp
What is an inclined plane?
300
The first group of elements on the periodic table
What is alkali metals?
300
A substance formed by a chemical reaction
What is a product?
300
stored energy; the energy an object has due to its position, molecular arrangement, or chemical composition
What is potential energy?
300
The formula for density
What is d=m/v?
300
A simple machine that has a thick end and a thin end that is used to cut, split, or pierce objects, or to hold objects together
What is a wedge?
400
A chemical reaction that absorbs energy
What is a endothermic reaction?
400
A characteristic of a substance that can be observed without changing the identity of the substance
What is a physical property?
400
The overall force acting on an object when all the forces are added together
What is net force?
400
The formula for kinetic energy
What is KE=mv^2/2?
400
The number of times a machine multiplies the input force
What is mechanical advantage?
500
How many H atoms are in water (H2O)
What is 2?
500
A law stating that no matter how energy is transferred or transformed, it continues to exist in one form or another
What is the Law of conservation of energy?
500
A statement that says when an outside pressure is applied at any point to a fluid in a container, that pressure is transmitted throughout the fluid with equal strength