Energy Basics
100: This is the main source of energy for all living things on Earth.
➡️ What is the Sun?
100: The process plants use to make their own food using sunlight.
➡️ What is photosynthesis?
100: A living thing that gets energy by eating other living things.
➡️ What is a consumer?
100: In respiration, organisms release this gas.
➡️ What is carbon dioxide?
100: Energy passes from one organism to another through this.
➡️ What is a food chain or food web?
200: All living things need this to survive.
➡️ What is energy?
200: During photosynthesis, plants take in these three things.
➡️ What are carbon dioxide, water, and sunlight?
200: This type of consumer eats only plants.
➡️ What is a herbivore?
200: In respiration, organisms take in this gas.
➡️ What is oxygen?
200: In a food chain, the arrows show the direction of what?
➡️ What is the flow of energy?
300: Humans get energy from _______, while plants get energy from _________.
➡️ What is food and sunlight?
300: This part of the plant takes in carbon dioxide and lets out oxygen.
➡️ What is the stomata?
300: This type of consumer eats only meat.
➡️ What is a carnivore?
300: The process where living things take in oxygen and release carbon dioxide.
➡️ What is respiration?
300: In a food web, the arrow points in the direction that this moves.
➡️ What is energy?
400: Animals use energy for many main functions—name at least two.
➡️ What are growing, moving, reproducing, repairing the body, and keeping warm?
400: The two products plants make during photosynthesis.
➡️ What are oxygen and glucose?
400: This consumer eats both plants and animals.
➡️ What is an omnivore?
400: Explain how plants and animals depend on each other for gases.
➡️ Plants give off oxygen that animals need, and animals give off carbon dioxide that plants need.
These types of organisms feed on or break down dead matter in an ecosystem.
➡️ What are scavengers and decomposers.
500: Describe how the energy flow would stop if producers disappeared.
➡️ Consumers and decomposers would eventually die because there would be no source of food energy.
500: Explain how photosynthesis and respiration are opposites.
➡️ Plants take in carbon dioxide and release oxygen, while animals take in oxygen and release carbon dioxide.
500: Why can’t consumers make their own food?
➡️ Because they do not perform photosynthesis.
500: Respiration happens in which part of an organism’s cells?
➡️ What is the mitochondria?
500: Describe how energy moves from the Sun to a human in a food web.
➡️ The Sun gives energy to plants → plants are eaten by animals → animals are eaten by humans.