CBA #1 Makeup Review

Destiny puts four objects in a bucket filled with water. The objects are listed is the picture. Which two objects are most likely more dense than water?

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Answer explanation

Were you paying attention to the IMPORTANT WORDS in the question? I asked the opposite of what came out in the test.

Use your reading strategies, read carefully, and then answer the question.

Tags

NGSS.MS-PS1-2

Categorize the following substances as soluble and insoluble (not soluble) in water.

Groups:

(a) soluble

,

(b) insoluble

• sand

• oil

• lime juice

• sugar

• honey

• pepper

• flour

• salt

Mr. Quezada asked his students to design a sleeve for a cup that will INSULATE thermal energy and not feel hot to the touch when the cup isfilled with hot liquid. Which of these three materials is the most useful as an INSULATOR?

• cardboard

• aluminum

• rubber

• plastic

Answer explanation

Conductors ALLOW electrical or thermal energy to flow through them.

Insulators DO NOT allow electrical or thermal energy to flow through them.

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-3

Marcus was given a beaker containing gravel & water. Which of these ways COULD Marcus use to separate the gravel from the water?

• 1

• 2

• 3

• 4

Answer explanation

2nd Time!!!

Were you paying attention to the IMPORTANT WORDS in the question? I asked the opposite of what came out in the test.

Use your reading strategies, read carefully, and then answer the question.

13

In an investigation hot water is poured into a clear plastic cup. Another clear plastic cup is placed upside down over the cup of hot water. In the next 3 minutes, water droplets will form on the inside of the top cup as the water vapor cools in the process called _____.

Answer explanation

Condensation is when gas turns into liquid because it wants to be cooler.

For example, in a boiling pot, the water vapor will cling onto the inside of the lid because it is cooler than the boiling water.

Tags

NGSS.MS-PS1-4

The diagram above shows juice in different states of matter over the course of time. Explain what caused the changes in the physical state throughout the course of the day.

Tags

NGSS.MS-PS1-4