3rd grade · Science · Unit 8 of 10
Fossils & Long Ago
What fossils tell us about life and places long ago.
What your child practices
Practices how fossils form and what they show about plants, animals and environments long ago, such as sea fossils found on dry land.
Oregon State Standards learning standard: 3.LS4.1 · fossils as evidence of organisms and environments of long ago
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
Amber can hold a fossil of…
- an insect
- a mountain
- a cloud
- a whale
an insect
Hint: Tree sap traps small things.
Question 2
Fossil seashells on dry land tell us…
- the land was once covered by sea
- shells can walk
- birds made them
- it rained shells
the land was once covered by sea
Hint: Sea creatures lived there.
Question 3
Mud covers a leaf and hardens. Later we find…
- a leaf print in rock
- a live leaf
- a green cloud
- nothing at all
a leaf print in rock
Hint: Prints can be fossils.
Question 4
An animal that has died out completely is…
- migrating
- endangered
- extinct
- hibernating
extinct
Hint: No longer alive anywhere.
Question 5
A fish fossil is found on a mountain. The area was once…
- under water
- a city
- a glacier
- a desert
under water
Hint: Fish lived in water.
Question 6
Why are fossils of soft animals like jellyfish rare?
- They are too big
- They are made of rock
- Soft parts break down quickly
- Jellyfish never lived
Soft parts break down quickly
Hint: Hard parts last longer.