Common Knowledge
Chemical Changes
Solving Solubility
100

Decompression sickness is also known by this title

What are "the bends"?

100

It is believed that this frightens whales

What are sonar waves from ships?

100

This delicious condiment is made from the sap of maple trees

What is maple syrup?

200

This food preservation activity requires saturated solutions of salt in water

What is pickling?

200

This mixture has only a little solute dissolved in a certain amount of solvent

What is a dilute solution?

200

This mixture has a lot of solute dissolved in the solvent

What is a concentrated solution?

300

This is a measure of how much solute can dissolve in a solvent at a given temperature

What is solubility?

300

You have this when you've added so much solute that no more dissolves

What is a saturated solution?

300

Some polar and nonpolar compounds form this when they are mixed together

What are layers?

400

Under water, divers breathe from tanks containing this

What is compressed air?

400

This makes the fizzing sound when soda water bottles are opened

What is escaping gas?

400

Dropping a crystal of solute into a supersatured solution causes this to rapidly come out of solution

What is extra solute?

500

Unlike most solids, this becomes less soluble when the temperature goes up

What are gases?

500

If you want soda to taste like this, you open it when its cold

What is very fizzy?

500

Soda tastes "flat" when it is opened at this temperature

What is warm?

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