5th grade · Science · Unit 9 of 12
Matter Moves in Ecosystems
Producers, consumers and decomposers recycle matter.
What your child practices
Practices how matter moves among plants, animals, decomposers and the environment, with Pacific Northwest examples like salmon feeding forests after they spawn.
Oregon State Standards learning standard: 5.LS2.1 · the movement of matter among plants, animals, decomposers and the environment
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
In Puget Sound, orcas eat salmon. Orcas are…
- plants
- decomposers
- consumers
- producers
consumers
Hint: They eat other animals.
Question 2
Worms help decompose dead leaves into…
- water
- air
- soil
- rocks
soil
Hint: Rich soil.
Question 3
Plants take in matter from the air and…
- rocks
- metal
- sunlight as matter
- water from the soil
water from the soil
Hint: Building blocks.
Question 4
Which is a producer?
- Douglas fir tree
- Salmon
- Mushroom
- Orca
Douglas fir tree
Hint: Makes its own food.
Question 5
A consumer is an organism that…
- is a rock
- eats other organisms
- only drinks water
- makes its own food
eats other organisms
Hint: Consumers eat.
Question 6
A sealed terrarium with plants, soil and bugs lasts a long time because…
- new matter is added each day
- plants don't need anything
- bugs make sunlight
- matter cycles inside it
matter cycles inside it
Hint: Matter is reused.