Science Grade 7 Solutions

1. ABRACADABRA

2. What is a solution?

3. A solution is a mixture of two or more substances.
It is a mixture of a solvent and a solute.

4. What is a
SOLVENT?

5. A solvent is a substance that dissolves
another substance.
It dissolves the solute.

6. Example:
Water

7. What is a
SOLUTE?

8. A solute is a substance dissolved in another
substance.
It is dissolved in a solvent.

9. Example:
Sugar
Salt
Coffee

10. Two Types of
SOLUTE

11. SOLUBLE
And
INSOLUBLE

12. SOLUBLE– water loving solute.
(can be dissolved in water)
Example:
sugar, salt, coffee, milkpowder

13. INSOLUBLE –water FEARINGsolute.
(cannot bedissolvedin water)
Example:
Sand, paper, oil, rubber, wood

14. Activity Time

15. SOLUBLE
or
INSOLUBLE

16. Determine whether the substance
given is
soluble or insoluble.

17. ASSIGNMENT:
List down at least
10 soluble and10 insoluble that can be
foundin yourhouse.

18. BRING:
Salt or Sugar
Tablespoon
2 glasses