Newtons Laws
Simple Machines
Atoms and the Periodic Table
States of Matter
Physical and Chemical properties
100
When the Net force is zero, objects at rest stay at rest and objects in motion keep moving with the same speed and direction
What is Newtons First Law
100
An inclined plane wrapped around a cylinder is a ___
What is Screw
100
The smallest component of an element
What is an Atom
100
state of matter in which materials have no definite shape & no definite volume
What is a Gas
100
Melting butter, dissolving sugar, and cutting your hair are examples of ______ change.
What is Physical
200
A=F/M
What is the formula for Newtons Second Law
200
A cylinder with two bigger cylinders on the end is a ____?
What is a Wheel and Axel
200
The number of protons in the nucleus of an atom
What is the Atomic Number
200
state of matter in which materials have no definite shape, but definite volume
What is a Liquid
200
____ occurs when one or more substances are changed into new substances with different properties
What is Chemical change
300
____ changes an objects motion
What is Force
300
An axe, knife, and nail are examples of _____?
What is Wedges
300
A vertical column of elemnts on the periodic table is called a ____
What is a Group
300
state of matter in which materials have definite shape & definite volume
What is a Solid
300
____ changes often cause color changes, fizzing or foaming, heat, or the production of sound, light, or odor.
What is Chemical
400
The first law is often called ___________
What is the law of intertia
400
A crane, ski lift, and bike chain are examples of a ____?
What is a Pulley
400
Atoms of the same element but with different neutrons are called _____
What is Isotopes
400
a phase change in which a substance changes from a solid directly to a gas
What is Sublimation
400
sugar dissolves in warm water is a ____ change
What is Physical
500
Every action force creates a reaction force that is equal in strength and opposite in direction
What is Newtons 3rd law
500
What is a third class lever?
What is Load effort fulcrum
500
The ____ uses the symbol of the element and dots to represent the electrons in the outer energy level
What is Electron dot diagram
500
phase change in which a substance changes from a liquid into a gas
What is Vaporization
500
A nail rusts is a ____ change
What is chemical
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