Topic 8 Elevate Science Energy and Food 5th Grade

What is the main role of chlorophyll in photosynthesis?

• It helps in the absorption of water.

• It absorbs sunlight.

• It transports nutrients.

• It releases oxygen.

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DOK Level 2: Skill/Concept

This sorts animals and plants according to where they are in the food chain:

• Food web

• Energy pyramid

• Trophic level

• Biomass

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DOK Level 2: Skill/Concept

How do plants gain mass during their growth?

• From soil minerals

• From water absorption

• From carbon, oxygen and hydrogen

• From sunlight

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DOK Level 2: Skill/Concept

Which of the following best describes the process of photosynthesis?

• Plants use water and carbon dioxide from the air to make glucose and give off oxygen

• Breaking down of food to release energy

• Transfer of energy from predators to prey

• Absorption of nutrients from the soil

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DOK Level 2: Skill/Concept

What is the primary source of energy for nearly all ecosystems on Earth?

• Wind

• Sunlight

• Geothermal heat

• Water currents

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DOK Level 2: Skill/Concept

Which of the following is an example of an herbivore?

• Lion

• Shark

• Deer

• Eagle

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DOK Level 2: Skill/Concept

What is metabolism in a living organism?

• The process of moving

• The process of breathing

• The chemical processes that breaks down and build moleculess

• The process of sleeping

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DOK Level 2: Skill/Concept

Why do all animals need their bodies to be in a normal temperature range?

• So body heat is lost completely as mechanical energy

• So body heat can be energy stored as fat

• So the processes that keep your body alive and healthy can take place

• Your body temperature is not related to your energy

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DOK Level 2: Skill/Concept

What way do animals use energy for internal processes?

• Digestion

• Movement

• Growth

• All of the above

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DOK Level 2: Skill/Concept

What role does sunlight play in the energy transfer within a food chain?

• It is used by all organisms for warmth.

• It is directly consumed by herbivores.

• It is converted by plants into chemical energy, which supports the food chain.

• It has no role in energy transfer.

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DOK Level 2: Skill/Concept