Atoms and Matter
What is the smallest unit of matter
What is an Atom
Melting Ice
Heat Transfer by touch
what is conduction
Energy can not be created or destroyed
What is the Law of Conservation of Energy
Force pulling objects together
What is Gravity
Which state of matter has particles tightly packed together
What is solid
What is mass
What is the amount of matter in an object
Positively charged particles
What is a proton
Burning Wood
What is Chemical
Heat transfer in gases/liquids through movement
What is Convection
Toaster: Electrical to
What is Thermal
Region around a magnet where forces act
What is the Magnetic Field
What state of matter has particles that move freely and spread out to fill a container
What is gas
What is Volume
The amount of space an object takes up
Substance made of one type of atom
What is an Element
Change that forms new substance
What is Chemical Change
What energy is from the sun
What is Radiation
Fan: Electrical to
What is Machanical
Like charges do what?
What is repel each other
Which state of matter has particles that slide past each other but stay close together
What is liquids
Density is calculated by dividing mass by what?
What is Volume
Combination not chemically combined
What is a Mixture
Change in appearance only
What is Physical Change
Hot air raises in the room
What is Convection
Food stores what kind of energy
What is Chemical Energy
Opposites do what?
What is attract
When a solid changes to a liquid, what process is happening?
What is Melting
An object will sink in water if its density is _________ than water
What is greater
A mixture where one dissolves in another
What is Solution
One sign of a chemical change
Color-gas-odor-temperature
Spoon warming in soup
What is Conduction
Rubbing hands together
What is Mechanical Energy
Field forces act without doing what?
What is touching or contact
When a gas cools and becomes a liquid what process is happening
What is Condensation
If a block has a mass of 30grams and a volume of 10 Milliliters what is the density
What is 3g/ml