Reinforcement Quiz

What is the function of the small intestine in the digestive process?

• Mechanical breakdown of food

• Absorption of nutrients

• Storage of bile

• Production of digestive enzymes

Which layer of the Earth's atmosphere is closest to the surface?

• Thermosphere

• Mesosphere

• Troposphere

• Stratosphere

Which of the following is a form of precipitation?

• Air

• Rain

• Water vapours

• Rock

What is the term for water vapor turning into liquid water droplets?

• Evaporation

• Condensation

• Precipitation

• Collection

Which of the following is NOT a major gas in Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Methane

The Earth's atmosphere is a layer of gases held in place by gravity

• True

• False

Without Earth's atmosphere, there would be no air to breathe, extreme temperature fluctuations, and increased exposure to harmful solar radiation, making life unsustainable.

• True

• False

The water cycle is Not important for maintaining life on Earth

• True

• False

What is the the water cycle's role in maintaining Earth's
ecosystems?                           

• Regulates temperature

• Ensures a continuous flow of water
  

• Distributes nutrients, and supports ecosystems

• All of them

Where does the process of digestion primarily begin?

• Stomach

• Small intestine

• Mouth

• Liver