CFA 22 Prep

James is working on a science project about renewable energy sources. Which of the following best describes solar power?

• Energy generated from the movement of water.

• Energy harnessed from the sun's rays.

• Energy produced by burning coal.

• Energy derived from nuclear reactions.

Abigail is working on a school project about renewable energy sources. Discuss one advantage of solar power in terms of environmental health that she can include in her presentation.

• It produces a large amount of hazardous waste.

• It requires extensive mining operations.

• It reduces air pollution.

• It depletes natural resources.

Tags

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.7.1

CCSS.RL.8.1

CCSS.RL.9-10.2

Anika and Harper are discussing the state of the world's forests. Anika mentions that the forests are "dwindling." What does she mean by this?

• Increasing rapidly.

• Decreasing in number or size.

• Remaining constant.

• Being replenished quickly.

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RI.9-10.4

Which of the following is an example of a frivolous use of energy?

• Using solar panels to power a home.

• Leaving lights on in an empty room.

• Installing wind turbines in a windy area.

• Using energy-efficient appliances.

Scarlett and Oliver are working on a school project about renewable energy. They need to explain what an arsenal is in this context. What should they include in their presentation?

• A collection of weapons.

• A storage of fossil fuels.

• A range of tools and technologies.

• A type of hazardous waste.

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RI.9-10.4

“In the countryside, enormous turbines were installed on hillsides to generate electricity from wind power, capturing the energy of moving air.”
What does wind power mean in this sentence?

• Electricity generated by the motion of water

• Electricity generated by the movement of air

• Electricity generated by burning coal

• Electricity generated by geothermal heat

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RL.9-10.4

“During peak summer, the city experienced brownouts, with the power supply reducing temporarily, causing dimmer lights in homes.”
What does brownouts mean in this sentence?

• Complete and prolonged power failures

• Temporary reductions in electrical voltage

• Scheduled maintenance of the electrical system

• Accidents causing physical damage to power lines

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RI.7.4

CCSS.RL.9-10.4

CCSS.RI.9-10.4

“Farmers adopted sustainable practices, using techniques that would allow the land to remain productive for future generations.”
What does sustainable mean in this sentence?

• Temporary and short-term

• Capable of being maintained over time without depleting resources

• Extremely costly

• Limited to small-scale operations

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RL.9-10.4

“Engineers are harnessing the power of ocean currents by designing turbines that convert water movement into electricity.”
What does harnessing mean in this sentence?

• Ignoring natural forces

• Capturing and utilizing energy

• Reducing the energy available

• Storing energy for later use

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RL.9-10.4

“The scientist’s ingenuity was clear when he devised an innovative method to convert waste into usable energy.”
What does ingenuity mean in this sentence?

• A lack of creativity

• Cleverness and inventiveness

• The speed of completing a task

• An abundance of resources

Tags

CCSS.RI.8.4

CCSS.RL.8.4

CCSS.RL.7.4

CCSS.RI.7.4

CCSS.RI.6.4