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Indicators
Powders
Vocabulary
Testing
Extra Credit
100
A substance that shows if another substance is present or not.
What is an indicator?
100
Baking Soda
What is red?
100
a combination of 2 or more substances.
What is a mixture?
100
When only one variable is changed at a time?
What is a fair test?
100
I study the environment and solve problems that have to do with the environment.
What is environmental scientist?
200
Starch
What is iodine an indicator of?
200
Salt
What is yellow?
200
a substance that allows light through, but is ?NOT see through.
What is translucent?
200
A list of testing methods that we all follow.
What is procedures?
200
A mixture that has even parts of all ?substances.
What is a homogeneous mixture?
300
Green
What color powder is a starch?
300
Cornstarch
What is green?
300
A guess using information that you know.
What is a hypothesis?
300
Goggles and gloves.
What are safety materials we must use?
400
A base.
What is PT a indicator of?
400
citric acid
What is blue?
400
To be able to see images through it.
What is transparent?
400
You will not be using science materials.
What is result of not following safety procedures?
400
gritty, flaky, white, soft
What is physical properties?
500
Acidity
What is PR an indicator of?
500
Sugar
What is purple?
500
To melt away and disappear from sight.
What is dissolve?
500
The place we record all observations and procedures.
What is our science journal?
500
baking soda, cornstarch, and salt.
What is the mysterious powder made of?