Exploring Adding and Subtracting Rational Expressions

What is a key step in conserving energy before exploring renewable energy sources?

• Developing new technologies

• Improving system efficiencies

• Reducing workforce in energy sectors

• Increasing energy production

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

Which type of windows can help in conserving energy in homes?

• Tinted windows

• Wooden windows

• Double or triple-pane windows

• Single-pane windows

Tags

NGSS.MS-PS3-3

What is the purpose of having an overhang in passive solar home design?

• To increase light absorption

• To improve aesthetics

• To create shade during summer

• To collect rainwater

Tags

NGSS.MS-PS3-3

What does an Energy Star appliance signify?

• It is cheaper than non-Energy Star appliances

• It uses solar energy

• It uses advanced technology to reduce energy use

• It is made from recycled materials

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

How do photovoltaic cells generate electricity?

• By exciting electrons with sunlight

• By heating water

• By mechanical rotation

• By chemical reactions

Tags

NGSS.HS-PS4-3

What is the primary function of a solar power tower?

• To convert solar energy into chemical energy

• To concentrate sunlight to heat a fluid to generate electricity

• To reflect sunlight directly into homes

• To store solar energy in batteries

Tags

NGSS.MS-PS3-3

What is a major environmental concern associated with biodiesel production from palm oil?

• Air pollution

• Soil degradation

• Habitat destruction

• Water overuse

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What is considered a renewable aspect of biomass energy?

• It can be easily synthesized

• It is made from living things

• It is abundant and reduces waste

• It does not emit CO2

Tags

NGSS.MS-LS2-3

What is a significant challenge for wind energy deployment?

• Noise pollution

• High maintenance costs

• Limited locations with sufficient wind

• High initial investment

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

What is a potential solution to reduce bird collisions with wind turbines?

• Installing sound emitters

• Painting turbine blades different colors

• Turning off turbines during migration seasons

• Reducing the height of turbines

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2