5th Grade - SCIENCE - Quiz AM pages 45,46

Question 1

When too much water is added to a powdered lemonade mix, the drink (solution) will taste weak and is _____

Answer 1

diluted

Question 2

When too little water is added to a powdered lemonade drink, the drink (solution) will taste strong and is ______

Answer 2

concentrated

Question 3

Sugar will dissolve in hot tea more quickly than in cold tea. Heat increases the _____ of a solvent

Answer 3

solubility

Question 4

A teaspoon of sugar crystals ___ faster than a sugar cube does. The surface area of the solute is greater with the sugar crystals than with the sugar cube.

Answer 4

dissolves

Question 5

A snack mix of peanuts, pretzels, and popcorn is a ____ that can be separated by appearance and the size of its parts

Answer 5

mixture

Question 6

Oil-and-vinegar salad dressing is a mixture that ____ into different layers by density

Answer 6

separates

Question 7

Different shapes of pasta may be separated by ____ properties, such as appearance

Answer 7

physical

Question 8

Too much sugar is added to a glass of iced tea and collects on the bottom of the glass after being stirred. The solution is _____ with sugar.

Answer 8

saturated

Question 9

The detergent used in a dishwasher is a _____ that is dissolved by water

Answer 9

solute

Question 10

Water is considered a ________ solvent because it can dissolve so many substances. Pure water is extremely rare.

Answer 10

universal

Question 11

Two or more substances that are physically combined form a _____

Answer 11

mixture

Question 12

A mixture in which all substances are spread evenly throughout is called a _______

Answer 12

solution

Question 13

A substance that is dissolved is called a ______

Answer 13

solute

Question 14

A substance that dissolves another substance is called a _______

Answer 14

solvent

Question 15

What is “concentration”?

Answer 15

The measure of the amount of solute that is dissolved in a solvent

Question 16

What is “saturated”?

Answer 16

The term that describes the condition of a solvent that is holding all of the solute that it can dissolve

Question 17

What is “solubility”

Answer 17

The term for the ability of a solvent to dissolve a certain amount of a solute

Question 18

When a solvent holds more than the normal amount of solute, the solution is ______

Answer 18

concentrated

Question 19

When the solvent holds less than the normal amount of solute, the solution is _____

Answer 19

diluted

Question 20

List 4 ways you can separate a mixture using its physical properties.

Answer 20

1. by appearance
2. by size of its parts
3. by density
4. by vaporization