Title – Matter and Type of Substances

By – Sharfa Taj

Primary Subject – Science

Grade Level – 7-8

Fill in the blanks:

1. Anything that takes up space and has mass is called ____________.

2. There are four forms of matter;_________, _________, ___________ and _________.

3. _________ are hard objects and have definite shapes.

4. Matter is made up of tiny __________ with __________ between them.

5. The particles in a matter are always in ___________.

6. The more energy the particles have, the more _________ they move.

7. In a ________, the particles are close together.

8. In ________, the particles are able to slide past each other.

9. In a _________, the attractive forces between the particles are the weakest.

10. A _______________ contain only one kind of particles throughout.

11. A mixture contain two or more ___________.

12. A _________________ is a mechanical substance.

13. Air is a solution of _________.

14. __________ is frequently used to separate particles from a mechanical mixture.

15. Steel is a ____________ mixture.

16. Another name of Homogeneous mixture is ___________.

17. Homogeneous means____________.

18. Heterogeneous means____________.

19. ___________ is a substance that is dissolved in a solvent to form a solution.

20. ___________ is a substance that dissolves a solute to form a solution.

21. ___________ affects the dissolving rate of solutions.

22. Solutions with a low concentration of _________ are called __________ solutions.

23. Solutions with a high concentration of _________ are called __________ solutions.

24. ________ in the air allows fuel to burn.

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Sharfa Taj

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