Exploring Elements and Compounds
A Grade 4 science worksheet introducing the basic concepts of elements and compounds through various question types.
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Standards
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Exploring Elements and Compounds
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of elements and compounds.
1. What is the smallest unit of an element?
Molecule
Atom
Compound
Mixture
2. Which of the following is an example of an element?
Water
Salt
Oxygen
Sugar
1. An element is a pure substance that cannot be broken down into simpler substances by means.
2. A is formed when two or more different elements combine chemically.
3. The chemical symbol for water is .
1. Gold is an example of a compound.
True
False
2. When elements combine to form a compound, they lose their original properties.
True
False
1. Explain the difference between an element and a compound.
Use the words below to complete the sentences.
1. is an example of an element found in the air we breathe.
2. Sugar is a because it is made of carbon, hydrogen, and oxygen chemically combined.