8th - Flashcard (6.1 & 6.2)

8th - Flashcard (6.1 & 6.2)

Assessment

Flashcard

Science

8th Grade

Hard

NGSS
MS-PS1-4

Standards-aligned

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to calculate the concentration percentage of a solute in a solution?

Back

Concentration (%) = (mass of solute / mass of solution) x 100

2.

FLASHCARD QUESTION

Front

If a solution contains 200g of water and 15g of sugar, what is the concentration percentage of sugar?

Back

7.5%

3.

FLASHCARD QUESTION

Front

What happens to the concentration of a solution when more solute is added?

Back

Concentration increases.

4.

FLASHCARD QUESTION

Front

What is a solute in a solution?

Back

The substance that is dissolved, e.g., salt in saltwater.

5.

FLASHCARD QUESTION

Front

What distinguishes a solution from a suspension?

Back

Solutions have particles that are completely dissolved, while suspensions have larger particles that can settle.

6.

FLASHCARD QUESTION

Front

Why is it difficult to separate components of a solution?

Back

Because the solute particles are too small and evenly distributed.

7.

FLASHCARD QUESTION

Front

What is a colloid?

Back

A mixture where tiny particles are dispersed but do not settle out, e.g., milk.

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