Q2 ULTIMATE EXAM REVIEW- 8th GRADE 24-25

Q2 ULTIMATE EXAM REVIEW- 8th GRADE 24-25

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a solution?

Back

A mixture containing two or more substances that has the same properties throughout.

2.

FLASHCARD QUESTION

Front

What process is demonstrated when sugar dissolves in water?

Back

How two pure substances can be combined to form a solution.

3.

FLASHCARD QUESTION

Front

In which state of matter do atoms and molecules have the most energy?

Back

In a gas.

4.

FLASHCARD QUESTION

Front

What is the composition of an atom with 2 protons, 2 neutrons, and 2 electrons?

Back

This is an atom with 2 protons, 2 neutrons, and 2 electrons.

5.

FLASHCARD QUESTION

Front

Which substance is the most acidic: lemon juice, orange juice, distilled water, or household lye?

Back

Lemon juice.

6.

FLASHCARD QUESTION

Front

What is the definition of an atom?

Back

The smallest unit of an element that retains the properties of that element.

7.

FLASHCARD QUESTION

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that are not chemically combined, while a compound is a substance formed when two or more elements are chemically bonded.

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