*Science Unit 4B*

If you want to increase salinity you add ______ or take away _______.

• Add- salt Take away- water

• Add- water Take away- salt

Students were asked to explain the difference in canned frozen orange juice concentrate and a bottle of orange juice. Who got it right?

• Orange Juice has more water than the concentrate. To make Orange Juice out of the Concentrate, you have to add 3 cans of water to it. The Concentrate is frozen and the juice is not.

• Orange juice cocentrate has more water than orange juice. Orange juice has ice in it and the concentrate doesn't. You don't drink orange juice straght from a cup, you add water to it.

Students were asked to explain the difference in a grape and a raisin. Who got it right?

• Raisins are grapes that have been dried to the point where there is little to no juice left in the grape. Grapes are more diluted than raisins and raisins are more concentrated than grapes.

• There is way more juice in a raisin than a grape. Raisins are more diluted than grapes. Grapes are more concetrated than raisins.

How does Earth increase salinity? CHOOSE 2:

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How does Earth decrease salinity?

CHOOSE 2:

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To decrese salinity, add _________ and take away ________.

• Add- water Take away- salt

• Add- salt Take away- water

What's more diluted?

• Orange Juice

• Orange Juice Concentrate

What's more diluted?

• Grape

• Raisin

What's more diluted?

• Wood

• Tree

• Paper

What's more diluted?

• Banana

• Banana Chip