Energy Quiz

What is the definition of energy according to the learning material?

• The ability to create matter

• The capacity to exert force

• The ability to do work

• The process of transferring heat

Where does the original source of energy come from?

• The wind

• The sun

• The ocean

• The earth's core

What happens to most energy in the environment?

• It is stored indefinitely

• It is converted to light

• It is lost as heat

• It is completely conserved

Does the amount of energy and matter on the Earth change?

• Yes, it increases over time.

• Yes, it decreases over time.

• No, it just changes form.

• Yes, it changes form and the total amount increases.

What law is followed when energy and matter change form on Earth?

• Law of universal gravitation

• Law of conservation of mass and energy

• Law of thermodynamics

• Law of relativity

What might happen to energy when it leaves one ecosystem?

• It disappears and is lost forever.

• It is destroyed and cannot be used again.

• It enters another ecosystem.

• It turns into matter.

Which of the following is an example of energy leaving one ecosystem and entering another?

• A rock falling off a cliff.

• A bird flying south to a new ecosystem during the winter.

• A tree losing its leaves in autumn.

• The sun setting at the end of the day.

What do producers use to make their own food?

• Cellular respiration

• Photosynthesis and sunlight

• Water only

• Eating other organisms

Which term describes organisms that make their own food using photosynthesis and sunlight?

• Heterotrophic

• Carnivorous

• Autotrophic

• Omnivorous

What are the missing components in the photosynthesis equation presented in the image?

• Chlorophyll, Nutrients

• ATP, NADPH

• Chlorophyll, ATP

• Light, Chlorophyll