GRADE 5 SCIENCE AIR 2

What is the correct order of gases, from LARGEST to smallest amount?

• Oxygen, Nitrogen, other gases

• Nitrogen, Oxygen, Other gases

• Other gases, Oxygen, Nitrogen

During photosynthesis, what gas do the plant take in?

• Hydrogen

• Nitrogen

• Carbon dioxide

• Oxygen

During breathing human take in __________________ gas and breathe out _________________ gas.

• hydrogen, oxygen.

• hydrogen, carbon dioxide

• oxygen, carbon dioxide

• carbon dioxide, nitrogen

Which one of the following pollutant gases is the main cause of acid rain?

• Carbon dioxide

• Carbon monoxide

• Sulphur dioxide

• Methane

Which gas is the main contributor to the problem of global warming?

• CFCs

• Carbon dioxide

• Ozone

• Carbon monoxide

Which gas in the air is needed for fires to burn?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

Which air pollutant is a toxic, colorless and odorless gas that is dangerous to breath in?

• Sulphur dioxide

• Carbon dioxide

• Methane

• Carbon monoxide

The ozone layer protects us from

• UV rays
• CFCs
• Increased atmospheric heat
• Decreased atmospheric heat

The ozone layer is damaged by ________

• CFCs

• Increase in greenhouse gases

• Increased global temperatures

• Sulfuric and nitric acids

What is air pollution?

• Any harmful substance that builds up in the air 
• pollen, dust, gases
• industrial pollution
• chemicals in the water

Tags

NGSS.MS-ESS3-3