Njsla Science

Emma placed a canned liquid drink in a freezer. She removed the can 12 hours later. The pictures show the can before and after Emma put it in the freezer. Which best explains what Emma observed?

• The liquid in the can changed and is now a different substance.

• The liquid in the can froze and expanded when it became a solid.

• The liquid in the can melted, causing it to flow out of the container.

• The liquid in the can evaporated, causing some of the liquid to be lost.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Keisha’s teacher placed a substance in a jar for Keisha to observe. The teacher labeled the jar substance X. The table shows Keisha’s observations. Which conclusion is supported by Keisha’s observations?

• Substance X is a gas

• Substance X is a solid

• Substance X is a liquid.

• Substance X is a solid and a liquid.

Look at the picture. Which states of matter are shown in the picture? Select all that apply.

• A. Solid, liquid and gas.

• B. Solid and liquid

• C. Liquid and gas.

• D. Solid and gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

1. A group of students placed iron filings and sand in a jar. One student put the lid on the jar. Another student shook the jar. What did the group make?

• A. a particle

• B. a mixture

• C. a solution

• .D. a component

Which state of matter is found in our Sun and other stars?

• solid

• liquid

• gas

• plasma

Tags

NGSS.HS-ESS1-1

Sophia measured the mass of both substance X and substance Y. She then combined the two substances. When Sophia combined the substances, a new color formed. She measured the mass of the new substance and recorded the data in the table shown. Which explains why the mass of X and Y combined is the same mass as the new substance XY?

• chemical change

• physical change

• color change

• law of conservation of matter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Write whether each step in the recipe is a physical change

• Roll dough

• Bake pizza

• Let dough rise

• Bake dough

Keisha finds and records the mass of substance X. Then she places the substance in a freezer until the substance freezes. She then removes substance X from the freezer and finds and records the mass again. Which set of data did Keisha most likely record?

• Mass before freezer: 850 grams and mass after freezer: 450 grams

• Mass before freezer: 950 grams and mass after freezer: 900 grams

• Mass before freezer: 850 grams and mass after freezer: 850 grams

• Mass before freezer: 400 grams and mass after freezer: 850 grams

Tags

NGSS.MS-PS1-2

Light travels in waves.

(MS-PS4-2)

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following is an example of reflection?

(MS-PS4-3)

• straw looking bent in the water

• looking at your image in the mirror

• wearing a black shirt on a sunny day

Tags

NGSS.MS-PS4-2