Diagnostic test grade 3

1) The ___________ teeth are used for biting food.

2)Crown of the teeth is made up of substance called ___________________.

3)__________ are made from oil.

4) Steel is used for nails because it _____________-

5) Wood is used for matches because it ____________

6) ____________ is shown in the picture?

7) 7) All our food comes directly or indirectly from _______________.

8) 8) The earth turns round once every _____________ round the sun.

9) ________________ is the process of digging valuable rocks and minerals out of the ground.

10) _____________ is huge ball of white gases.