CIA 3 Test Corrections Review

The test was a challenge for me.

• yes

• no

What made the test challenging for you? Find a specific reasoning, for example, "I couldn't remember all the vocabulary."

Why are governments most likely to encourage use of other energy sources other than oil?

• oil is renewable

• oil is nonrenewable

• oil is too expensive to use as an energy source

• oil is the least efficient source of energy available

Tags

NGSS.HS-ETS1-1

Gold atoms can be identified based on the number of which subatomic particles?

• neutrons

• electrons

• nuclei

• protons

Can a phase change produce new compounds?

• No, because physical changes occur.

• No, because chemical changes occur.

• Yes, because atoms can bond together to form new substances.

• Yes, during a phase change atoms combine to create a mixture.

Answer explanation

A phase change is just a change in state of matter. As a compound or material moves from solid, liquid, and gas, it can change the way it looks physically, but it is NOT changing how it is chemically made up!!

Tags

NGSS.MS-PS1-4

Most electricity in the United States is generated using coal, natural gas, nuclear energy, or hydropower. Which of these add carbon dioxide to the atmosphere?

• coal and natural gas

• natural gas and nuclear energy

• nuclear energy and hydropower

• hydropower and coal

Answer explanation

Any type of fossil fuel (coal, gas, and oil) will produce carbon dioxide. No other energy source outright produces carbon dioxides on their own.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

A heavily wooded area needs additional solar collectors to meet energy demand. Which statement describes a possible environmental consequence of adding these collectors?

• the amount of air pollution will increase

• the amount of water pollution will increase

• more trees will need to be planted to insulate the solar collectors

• trees will need to be cleared for the solar collectors to work efficiently

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Draw a model of an atom that includes all three subatomic particles

Tags

NGSS.MS-PS1-1

A reaction occurred. We see that before the reaction there was 107 g of material. After the reaction, we were only able to weigh 38 g.

Which best explains why the mass before does not equal the mass after the reaction?

• Some of the mass escaped in the form of gas.

• The mass was not measured correctly before the experiment.

• Some of the mass started in the form of a solid and did not react properly.

• The reaction between Zn and HCl does not follow the Law of Conservation of Mass.

Answer explanation

No matter what....there is ALWAYS ALWAYS ALWAYS the same amount after the reaction as there was before. The only way it will be different is if a gas forms.

Tags

NGSS.HS-PS1-7

What is the law of conservation of mass?

Tags

NGSS.HS-PS1-7