Science/Social Studies Answer Key Quiz

What can the reader conclude from paragraphs 1 through 2?

• Airbags are dangerous and shouldn’t be used in cars.

• The chemical reactions in an airbag happen randomly in cars.

• People should just drive slower to avoid accidents.

• Airbags are another tool to help people stay safe in cars.

A 1995 study found that airbags–

• reduce deaths from head-on collisions by slightly less than a quarter.

• increase deaths from head-on collisions by more than a quarter.

• reduce deaths from head-on collisions by more than half.

• don’t have any effect on head-on collision deaths.

Tags

NGSS.MS-PS3-5

What substance must ignite for airbags to inflate?

• Sodium hydroxide

• Sodium chloride

• Sodium azide

• Sodium bicarbonate

The main purpose of this selection is to–

• help the reader understand that airbag technology is flawed.

• help the reader understand the chemistry involved in airbag technology.

• help the reader make up their mind about whether to use airbags or not.

• help the reader learn how to drive safely.

Tags

NGSS.MS-PS1-2

What gas forms that is responsible for inflating an airbag?

• Neon gas

• Fluorine gas

• Oxygen gas

• Nitrogen gas

The last sentence of paragraph 1 states, “It’s just as important that it deflates as soon as your head starts to hit the airbag.” Why might this be important?

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Match each term to the correct definition.

• 1. Production of a gas

• Solid particles formed or separated from a liquid

• 1. Thermal energy change

• Bubbles, fizzing, or a change in odor

• 1. Production of a precipitate

• A change in appearance, such as from blue to yellow

• 1. Chemical change

• A temperature increase or decrease

• 1. Color change

• A change forming a new substance

Tags

NGSS.MS-PS1-2

Use the clues provided to complete the questions

a

b

c

d

Color Change

Thermal energy change

Production of a gas

Precipitate

Tags

NGSS.MS-PS1-2

Santiago dropped an iron nail into a test tube containing a light blue solution. The liquid turned golden-yellow, and a brown substance formed on the iron nail. Bubbles formed on the nail. What pieces of evidence are there of a chemical reaction?

Tags

NGSS.MS-PS1-2

Amber was at a campfire with her grandparents. While roasting marshmallows over the campfire, her grandmother asked whether a chemical change was occurring as the logs were burning. What should Amber say, and what evidence does she have?

Tags

NGSS.MS-PS1-2