L.7.3.2 Respiration/Photosynthesis

What is the most common element of the human body?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What percentage of the Earth's atmosphere is made up of oxygen?

• 20%

• 30%

• 65%

• 50%

Which process is primarily responsible for creating oxygen in the atmosphere as described in the oxygen cycle?

• Respiration

• Combustion

• Photosynthesis

• Fermentation

Tags

NGSS.MS-LS1-6

How are the oxygen cycle and the carbon cycle interconnected?

• Through the exchange of nitrogen and oxygen

• Through the exchange of carbon dioxide and methane

• Through the exchange of oxygen and carbon dioxide

• They are not interconnected

Tags

NGSS.MS-LS2-3

What role do plants play in the oxygen cycle?

• They consume oxygen and release carbon dioxide

• They consume carbon dioxide and release oxygen

• They consume both oxygen and carbon dioxide

• They release both oxygen and carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the scientific name for breathing?

• Photosynthesis

• Respiration

• Decomposition

• Combustion

Which process uses up oxygen and releases carbon dioxide when plants and animals die?

• Breathing

• Decomposing

• Rusting

• Combustion

Tags

NGSS.MS-LS2-3

What is rusting also known as?

• Respiration

• Decomposition

• Oxidation

• Combustion

What are the three things needed for combustion?

• Oxygen, water, and heat

• Oxygen, fuel, and carbon dioxide

• Oxygen, fuel, and heat

• Fuel, heat, and light

What happens when things burn in terms of oxygen and carbon dioxide?

• They use up oxygen and produce carbon dioxide.

• They produce both oxygen and carbon dioxide.

• They use up carbon dioxide and produce oxygen.

• They use up nitrogen and produce carbon dioxide.

Tags

NGSS.MS-PS1-5