Science STAAR 2023

• The vinegar took the shape of the container in step 1.

• The steel wool sank into the vinegar in step 3.

• The temperature of the vinegar increased during step 4.

• The steel wool changed shape during step 6.

Tags

NGSS.MS-PS1-2

• There is a change in shape.

• There is a change in volume.

• The two liquids mix into a solution.

• The two liquids form a new substance.

Tags

NGSS.MS-PS1-2

• A

• B

• C

• D

Tags

NGSS.MS-PS1-5

Which table correctly identifies the charges of subatomic particles?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which statement serves as evidence to support your answer to Part A?

• both models show two shells surrounding the nucleus

• both models show ten neutrons in the nucleus

• element X has seven electrons in its outer shell

• Element Y has an even number of protons and neutrons

Tags

NGSS.MS-PS1-1

• Beryllium

• Sodium

• Magnesium

• Potassium

• F

• G

• H

• J

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-3

• Process 1

• Process 2

• Process 3

• Process 4

Tags

NGSS.MS-PS1-2

Sodium Sulfate (Na₂SO₄) is used to produce many products. Which elements are represented in the formula, AND how many atoms of each element are represented in the formula?

Read the question carefully. Then, enter your answer in the box provided.

Tags

NGSS.MS-PS1-1