Summative test in science:
Give the answer the question below

1.What percentage of the earth is covered by water?

2.Why does a year consist of 365 days and a day of 24 hours?

3.Why is the sky blue?

4.What causes a rainbow?

5.What is it that makes diseases caused by viruses and bacteria hard to treat?

6.How old are the oldest fossils on earth?

7.Why do we put salt on sidewalks when it snows?

8.What is Darwin's theory of the origin of species?

9.Did dinosaurs and humans ever exist at the same time?

10.What sorts of signals does the brain use to communicate sensations, thoughts and actions?

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Nonsense Report ​