Investigation 1
A unique form of matter made of a combination of elements
A substance
The atomic symbol for Hydrogen
H
The three states of matter
Solid, liquid, and gas
An educated guess during an experiment
A hypothesis
Has a definite shape and volume
Solid
Calcium carbonate, sucrose and magnesium sulfate are examples of this
Chemical name
The building blocks of matter
Elements
This is between air particles
Nothing
Anything that can be changed or measured in an experiment
A variable
Fills any container that it is in
Gas
When two substances combine to make a new substance, this has occurred.
A chemical reaction
The atomic symbol for Iron
Fe
True or False. Any gas can be compressed
True
Using one or more of your senses to describe something.
Observation
Particles are close together, but can still move freely
Liquid
Table salt, sugar and baking soda are examples of this
Common name
The elements in NaCl
Sodium and chlorine
The smallest piece of any substance
A particle
The thing in an experiment that you CHANGE
Independent variable
Particles are held together by bonds
Solid
The two substances that were combined to make the Mystery Mixture
Sodium bicarbonate and citric acid
The person who created the Periodic Table of Elements
Dmitri Mendelev
Increasing the distance between particles by force
Expansion
The thing in an experiment that you MEASURE
Dependent variable
The name of the gas that skips the liquid phase
Carbon dioxide