Unknowns
Lab equipment
Chemical reactions??
States of Matter
Experiments
100
Sugar
What is the red unknown?
100
This helps you to look closely when making observations.
What is a magnifying lens?
100
This happens when you mix vinegar and baking soda.
What is fizz or bubble?
100
Water.
What is liquid?
100
The items you gather to use in an experiment.
What are materials?
200
Water, vinegar, iodine, heat
What are the tests we did on the unknowns?
200
This protects your eyes.
What are goggles?
200
This is what happens when you mix iodine and cornstarch.
What is turn dark purple?
200
Things that are made up of matter.
What is everything?
200
An educated guess.
What is hypothesis?
300
It shows something, such as starch.
What is an indicator?
300
We use this instead of our hands to move chemicals.
What is a toothpick?
300
This is evidence that a chemical reaction has happened where water and metal have mixed.
What is rust?
300
Air.
What is gas?
300
The steps you take to complete an experiment.
What are procedures?
400
The test that made the baby powder smell the strongest.
What is heat?
400
This allows you to measure the correct amount of liquid.
What is a pipette?
400
When you cut paper, it is this type of change.
What is physical change?
400
When an ice cube begins to melt.
What is moving from solid to liquid?
400
The results of your experiment, which include whether your hypothesis was correct or not.
What is the conclusion?
500
The type of mixture in which you can separate it out with filtration.
What is suspension?
500
This is used to record observations and refer back to when trying to come up with hypotheses and results.
What is a science journal?
500
When you burn toast.
What is a chemical change?
500
When your water begins to boil in a pan.
What is moving from liquid to gas?
500
The part of an experiment where you look back at the results and how you might do an experiment differently in the future.
What is reflection?
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