Photosynthesis and Energy Flow Quiz

Green plants use energy from the sun to produce food during the process of photosynthesis. This food provides energy to an entire food chain. What starting materials do the plants use to make this food?

• Soil and water

• Water and oxygen

• Carbon dioxide and water

• Water, phosphorus, and nitrogen

Tags

NGSS.MS-LS1-6

Only a small amount of energy consumed by an organism is available to flow to the next organism in a food web. Which of the following statements explains the reason for this?

• Most of the energy is used for life processes

• Primary and secondary consumers compete for food

• There are many more producers than consumers in a food web

• There are many more consumers than producers in a food web

Tags

NGSS.MS-LS2-3

A man pushes a box with great force. The box does not move. What can you conclude?

• A force was used, so work was done

• Energy was expended, so work was done

• The box did not move, so work was not done

• The box was only lifted off the ground, so work was not done

Tags

NGSS.MS-PS3-5

What happens to most of the energy an organism takes in?

• It is used for life processes

• It is lost to the environment as heat

• It is stored in the organisms body

• It is transferred to other organisms

Tags

NGSS.MS-LS2-3

Worms break down dead plants in the soil to release nutrients. Which property of nutrients shows that they are matter?

• Nutrients are warm

• Nutrients have mass

• Nutrients can do work

• Nutrients contain energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How can you tell that work has been done on an object?

• The object exerts an equal and opposite force

• The object stays in the same position

• The object moves position

• The object has experienced a force

Which of the following demonstrates forces that change the motion of an object?

• A boy stares out a window

• A girl dreams as she sleeps

• A rock rests on the ground

• A seedling emerges from the soil

Tags

NGSS.MS-PS2-2

All organisms must obtain energy from their environment. Every organism needs this energy in order to grow and reproduce. How do producers obtain energy?

• They obtain energy by eating plants, bacteria, and algae

• They extract chemical energy from decaying organic matter

• They extract energy from the chemicals in soil, air, and water

• They capture energy from sunlight and manufacture their own food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Each organism has its own role in a food web. Organisms can be producers, consumers or decomposers. Which of these organisms can be classified as a decomposer?

• Mushroom

• Rose

• Bumblebee

• Turtle

Tags

NGSS.MS-LS2-3

Two types of global food webs show the feeding relationships of organisms. What distinguishes one type of global web from the other?

• Whether the producers are located on land or in water

• Whether or not the food web includes tertiary consumers

• Whether the web includes animals that migrate during the year

• Whether the ecosystem described by the web is localized or very broad

Tags

NGSS.MS-LS2-3