Elements
Compounds
Mixtures and Solutions
Physical and Chemical Characteristics
Physical and Chemical Changes
100
The definition of MATTER
What is anything that takes up space and has mass?
100
The atoms that join together to make a water MOLECULE.
What are 2 HYDROGEN atoms and 1 OXYGEN atom?
100
The definition of a MIXTURE.
What is the result of mixing two or more substances together without combining their atoms?
100
Our five senses used to describe the physical properties of an object.
What are SIGHT, SMELL, HEARING, TASTE, and TOUCH?
100
Water has undergone a _______________ when it is turned from a liquid to a gas through boiling.
What is PHYSICAL CHANGE?
200
A substance that cannot be broken down into other substances.
What is an ELEMENT?
200
1 CARBON ATOM and 2 OXYGEN ATOMS
What are the atoms that join together to make ONE carbon dioxide MOLECULE.
200
Used to separate a MIXTURE of iron filings and sand.
What is a magnet?
200
This describes the way a substance REACTS with other substances.
What is the CHEMICAL PROPERTY of a substance?
200
Burning and rusting are similar because they both are _______________.
What is CHEMICAL CHANGES?
300
The chart that classifies elements by their properties.
What is the PERIODIC TABLE?
300
It is made of 2 OR MORE elements joined together in a molecule.
What is a COMPOUND?
300
Salt dissolving into water.
What is an example of a solution?
300
Matter can be found in these three states.
What is LIQUID, SOLID, or GAS?
300
____________ changes occur when sugar is added to coffee to sweeten it, peanuts are crushed into peanut butter, and paper is cut into tiny pieces.
What is PHYSICAL?
400
The smallest particle of an element that has the properties of the element.
What is an ATOM?
400
The two different gas molecules that can be made from the ATOMS in a water compound.
What is HYDROGEN (H2) and OXYGEN (O2).
400

This is how to separate two liquids by boiling them.

What is DISTILLATION?

400
When a drop of acid is put on pyrite (fool's gold) the gas hydrogen sulfide is produced. This shows that one of pyrite's ______________ is that it will react with acid.
What is CHEMICAL PROPERTIES?
400
Fireworks exploding, wood burning, iron rusting, a pie baking, 2 clear liquids combining to produce a colored liquid all are indicators of a __________ change occurring.
What is CHEMICAL?
500
The particles that make up ATOMS.
What are PROTONS, NEUTRONS, and ELECTRONS?
500

The two elements that make up table sale

What is a SODIUM and CHLORINE?

500

In this demo we showed an interesting property about a unique metal.

What is SHOWING THE EXTREMELY LOW MELTING POINT OF GALLIUM?

500

Three other ways of describing an object's physical properties (EXCLUDING sensory descriptions).

What are boiling point, melting point, hardness, density, malleability, conductivity, viscosity?

500

From this demo we saw that a flammable gas was produced.

What is adding hydrochloric acid to zinc metal and blowing up a balloon?