Level 1 Mastery--Elements, Mixtures, Compounds

Level 1 Mastery--Elements, Mixtures, Compounds

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an element?

Back

A pure substance that cannot be separated into simpler substances by chemical or physical means.

2.

FLASHCARD QUESTION

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

3.

FLASHCARD QUESTION

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded and can be separated by physical means.

4.

FLASHCARD QUESTION

Front

What must happen for elements to become a compound?

Back

Chemical bonds must form between atoms.

5.

FLASHCARD QUESTION

Front

Is water (H2O) an element, compound, or mixture?

Back

Water is a compound.

6.

FLASHCARD QUESTION

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made of two or more elements chemically bonded.

7.

FLASHCARD QUESTION

Front

Can compounds be separated into simpler substances?

Back

No, compounds cannot be separated by physical means; they require chemical reactions.

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