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Unit 3 Lessons 1 & 2 Review

Unit 3 Lessons 1 & 2 Review

Assessment

Flashcard

Science

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

Why does ice float?

Back

As water freezes, it expands and its density decreases.

2.

FLASHCARD QUESTION

Front

What is capillary action?

Back

The ability of a liquid to flow against gravity.

3.

FLASHCARD QUESTION

Front

Why does water move from the roots to the leaves of plants?

Back

Capillary action pulls the water molecules like a chain.

4.

FLASHCARD QUESTION

Front

What are ions?

Back

Atoms or molecules that have gained or lost electrons, resulting in a net electrical charge.

5.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A change that alters the chemical composition of a substance.

6.

FLASHCARD QUESTION

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

7.

FLASHCARD QUESTION

Front

What is cohesion in water?

Back

Cohesion is the attraction between water molecules due to hydrogen bonding.

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