Water | Summary

Water | Summary

Assessment

Interactive Video

Chemistry, Science

1st - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers the formation of water molecules, highlighting the combination of oxygen and hydrogen atoms. It explores water's states—solid, liquid, and gas—and its properties, such as boiling and freezing points, density changes, and solvent capabilities. The tutorial also explains water's chemical neutrality and decomposition through electrolysis. Finally, it addresses water pollution sources, both natural and artificial.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the composition of a water molecule?

One hydrogen atom and one oxygen atom

Two hydrogen atoms and two oxygen atoms

One oxygen atom and two hydrogen atoms

Two oxygen atoms and one hydrogen atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which state does water have the lowest density?

Liquid

Gas

Plasma

Solid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following substances can dissolve in water?

Oils

Sand

Sugar

Plastic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can water be decomposed into its elements?

By mixing with oil

By electrolysis

By freezing

By heating

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a natural source of water pollution?

Plastic waste

Volcanoes

Oil spills

Industrial waste

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