Greenhouse and Global

Which of the following is NOT a greenhouse gas?

• Methane

• Water vapour

• Chlorine

• Carbon Dioxide

Which of the following activities contributes the most to carbon emissions globally?

• Agriculture

• Burning fossil fuels

• Respiration

• Deforestation

Tags

NGSS.HS-ESS2-6

Which of the following may happen to planet Earth without the greenhouse effect?

• It will become very cold.

• It will die.

• It will stay normal.

• It will become warm.

Tags

NGSS.MS-ESS3-5

Which two gases are a source of acid rain

• sulfur dioxide and nitrogen dioxide

• chlorine and nitrogen dioxide

• methane

• sulfur dioxide and methane

What happened to the level of carbon dioxide in the atmosphere over the past 200 years?

• Decreased slightly

• Increased steadily

• Stayed about the same

• Increased until recently and then decreased

Tags

NGSS.MS-ESS3-5

How does the increased in carbon dioxide cause global warming?

• It allows more sunlight into the atmosphere.

• It reduces the amount of oxygen in the air.

• It reflects more sunlight from clouds.

• It traps more heat in the atmosphere.

Tags

NGSS.MS-ESS3-5

Which of the following are the best things to do to help slow down global warming?

I. Use energy efficiently at home.

II. Participate in tree planting activities.

III. Continue using the single use plastics.

IV. Practice the 5Rs (Reduce, Reuse, Recycle, Repair and Recover).

V. Promote the use of petrol vehicles

• I and II only

• II and IV only

• I, IV and V only

• I, II and IV only

What are the effects of acid rain?

• sea levels rise

• Trees and aquatic life could die

• more forest fires

• seas become more alkaline

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

National government has been looking for ways to help solve the issue on global warming. Is planting trees one of the best ways to help solve the problem? Why or why not?

• Yes, because trees give us shed and protects us from the heat of the sun.

• No, because trees only contribute to the carbon dioxide level in the atmosphere.

• No, because trees only gives off oxygen as its by products in photosynthesis.

• Yes, because trees help in absorbing the carbon dioxide, one of the gases that traps the heat in the atmosphere.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-5

What are the important roles of the greenhouse gases?

I. It is necessary for communication.

II. It reflects back the sun’s rays to Earth to keep it cold.

III. It helps the Sun in providing the energy needed by Earth.

IV. It absorbs infrared radiation from the earth and re-radiate it back to the Earth.

• IV only

• II and IV only

• II and III only

• I, II and III only