Show:
Mixing It Up
Basically Acidic
Hodgepodge
Solution to Recovery
Ch..Ch..Ch..Changes
100
Sieves, Air, Water
What are some methods of separating solids from other solids?
100
Materials used to test if a substance is an acid or a base.
What is litmus paper?
100
The elastic-like force on the surface of a liquid such as water.
What is surface tension?
100
A homogeneous mixture in which the solute is evenly distributed throughout the solvent .
What is a solution?
100
This type of change is reversible.
What is a physical change?
200
A mixture where the different parts are no longer visible and are difficult to separate.
What is a homogeneous mixture?
200
Blue litmus paper turns this colour when testing an acid.
What is red?
200
The study of matter - what it is made of and how it changes.
What is Chemistry?
200
A mixture in which small particles of a solid do not dissolve. This kind of mixture is often "cloudy."
What is a suspension?
200
This type of change is irreversible.
What is a chemical change?
300
A physical combination of substances that keep their own properties.
What is a mixture?
300
Red litmus paper turns this colour when testing a base.
What is blue?
300
A word describing the attraction of molecules to each other.
What is cohesion?
300
Filtering, Evaporation, and Decanting
What are three ways to separate solids from liquids?
300
Making a salt water solution is an example of this type of change.
What is a physical change?
400
A mixture where the different parts are visible and easily separated.
What is a heterogeneous mixture?
400
The name of the scale that measures how acidic or basic a substance is.
What is the Ph scale?
400
A substance in its purest form.
What is an element?
400
A substance that does the dissolving in a mixture.
What is a solvent?
400
Making carbon dioxide gas with vinegar and baking soda is an example of this type of change.
What is a chemical reaction or irreversible change?
500
Method of separating liquids from each other that involves the use of heat.
What is distillation?
500
Type of substance being tested when red and blue litmus strips retain their own colours.
What is a neutral substance?
500
Solid, Liquid, Gas and Plasma
What are the 4 states of matter?
500
The substance being dissolved in a mixture.
What is a solute?
500
When a substance gives off heat, produces a gas, or changes colour.
What are clues that a chemical change has taken place?