Elements and Compounds Basics
A Grade 1 science worksheet introducing basic concepts of elements and compounds.
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Standards
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Elements and Compounds Basics
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Follow the instructions for each section. Read carefully and do your best!
Everything around us is made of tiny, tiny pieces! Some pieces are called elements, and some are compounds.
1. Which of these is a simple building block that cannot be broken down into something even simpler?
Compound
Element
Mixture
Molecule
2. Water is a because it is made of two different elements joined together.
3. An is a pure substance that cannot be broken down into simpler substances.
4. All compounds are made of only one type of element.
True
False
5. Oxygen is an element we breathe.
True
False
6. Look at the picture of an atom. Is an atom an element or a compound? Explain why.
Use the words below to complete the sentences.
7. Air has an called that we need to breathe.
8. When hydrogen and oxygen join, they make a called .
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