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Ecosystems and Food Chains Jeopardy

Who eats whom, and who cleans up after: an ecosystems and food chains game for elementary science, free to copy and played on phone buzzers.

6 categories · 30 clues · Final Jeopardy · everyone buzzes in from their phone

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Every clue on this board

This page is public, so anyone can read the answers — copy the board and swap a few clues before game day.

Producers

  1. $200

    These living things, including plants and algae, make their own food using sunlight.

    What are producers?

  2. $400

    This green pigment in plants captures sunlight so the plant can make its own food.

    What is chlorophyll?

  3. $600

    This process lets plants turn sunlight, water, and carbon dioxide into food.

    What is photosynthesis?

  4. $800

    Because producers make food that other living things eventually eat, they form the starting point of these feeding chains.

    What are food chains?

  5. $1,000

    These ocean producers are too small to see without a microscope, yet together they produce much of Earth's oxygen.

    What is phytoplankton?

Consumers

  1. $200

    An animal that eats only plants, like a rabbit or a cow, is called this kind of consumer.

    What is an herbivore?

  2. $400

    An animal that eats only other animals, like a lion or a shark, is called this kind of consumer.

    What is a carnivore?

  3. $600

    An animal that eats both plants and animals, like a bear or a human, is called this kind of consumer.

    What is an omnivore?

  4. $800

    A consumer that hunts and eats other animals for food is called this.

    What is a predator?

  5. $1,000

    This term describes any living thing that cannot make its own food and must eat other organisms to survive.

    What is a consumer?

Decomposers

  1. $200

    These living things, such as mushrooms, break down dead plants and animals to get the food they need.

    What are decomposers?

  2. $400

    This soft, crumbly, dark material is formed when decomposers break down dead leaves and other plant matter.

    What is compost?

  3. $600

    These tiny living things, too small to see without a microscope, are one of the main types of decomposers found in soil.

    What are bacteria?

  4. $800

    This familiar decomposer grows from spores, has a cap and stem, and helps break down dead wood in a forest.

    What is a mushroom?

  5. $1,000

    These wriggling decomposers break down dead leaves and plant matter as they tunnel through soil.

    What are earthworms?

Habitats

  1. $200

    This hot, dry habitat gets very little rain and is home to animals like camels.

    What is a desert?

  2. $400

    This icy, treeless habitat near the North Pole is home to polar bears and arctic foxes.

    What is the tundra?

  3. $600

    This warm, wet habitat near the equator is home to more kinds of plants and animals than any other habitat on Earth.

    What is a rainforest?

  4. $800

    This watery habitat of still, fresh water is home to frogs, turtles, and cattails along its edges.

    What is a pond?

  5. $1,000

    This vast, salty habitat covers most of Earth's surface and holds the majority of the planet's animal species.

    What is the ocean?

Food Webs

  1. $200

    This word describes many connected food chains that show how energy moves through an ecosystem in many directions.

    What is a food web?

  2. $400

    This is the term for the usable power that gets passed from one level of a food chain to the next, with much of it lost as heat at each step.

    What is energy?

  3. $600

    This is the term for an animal that gets eaten by another animal in a food chain.

    What is prey?

  4. $800

    This term describes a species, such as a wolf or a sea otter, whose presence has an unusually large effect on holding an entire food web together.

    What is a keystone species?

  5. $1,000

    This term names each step, or level, in a food chain, such as producer, primary consumer, and secondary consumer.

    What is a trophic level?

Predator and Prey

  1. $200

    This big cat with black stripes is a top predator in many Asian forests, hunting deer and wild boar.

    What is the tiger?

  2. $400

    This tiny, eight-legged predator spins a sticky web to trap flying insects for food.

    What is a spider?

  3. $600

    This slow-moving, big-eyed nocturnal bird is a skilled nighttime predator that swoops silently to catch mice.

    What is an owl?

  4. $800

    This small, plant-eating woodland mammal freezes still or thumps the ground with its foot to warn others when a predator is near.

    What is a rabbit?

  5. $1,000

    In the ocean's food chain, this enormous fish, the largest in the sea, mainly eats plankton despite its size.

    What is the whale shark?

Final Jeopardy — Where It All Starts

Nearly every food chain on Earth begins with energy that arrives from this star.

What is the Sun?

How to run this board

Producers, consumers, and decomposers each get their own category on this board, so the vocabulary that anchors the whole unit gets drilled from three directions before the food web questions ask students to put it all together.

Habitats keeps things concrete for younger players - deserts, ponds, and forests they can picture - while Predator and Prey supplies the drama every elementary class wants.

A nice closer: after Final Jeopardy, have each team draw a three-link food chain from any two categories they answered, and stick them on the wall as the unit's exit display.

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