Grade 4 · Science · Earth science

4th Grade Rocks, Fossils, and Time worksheets

6 printable versionsBuilding ConfidenceAbout 4 minutes eachFree · no account

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Rocks, Fossils, and Time

Grade 4 Science Worksheet - Building Confidence

NameDate

Circle the answer.

1.
A cliff has three layers. From top to bottom: sandstone, shale, limestone. Which layer formed first?
- limestone
- sandstone
- shale
2.
Which is a fossil?
- a leaf print pressed into rock
- a rock shaped like a leaf by wind
- a fresh leaf on a rock
3.
A canyon wall shows, from top to bottom: sandstone with lizard tracks, shale with fish fossils, limestone with shells. Which was the environment first?
- a sea with shelled animals
- a lake with fish
- a dry land with lizards
4.
Why do scientists say the top layer of undisturbed rock is the youngest?
- it is always the hardest layer
- it has the most fossils
- it was the last layer to be laid down
5.
Scientists find palm tree fossils in Canada, where palms do not grow today. What changed?
- the soil there got wetter
- palm trees moved by themselves
- the climate there got colder

4th Grade Rocks, Fossils, and Time worksheet 1 – printable PDF — Download PDF: 1 2 3 4 5 6

About this worksheet

Rocks, fossils, and time questions ask students to use preserved evidence to infer how landscapes changed asks fourth graders to connect observations with an explanation, model, or design decision instead of choosing a fact from memory. Students may treat a fossil as just an object in a rock and miss that its location and layer can show what an environment was like long ago. This worksheet uses short investigations and evidence-based situations so students must read what happened, decide which science idea is being tested, and choose the answer that fits the title.

Students interpret fossil evidence, compare rock-layer ages, infer past environments, and reject claims that are not supported by the preserved pattern. Support versions use familiar objects and direct wording. Standard and challenge versions add closer distractors, fair-test language, and multi-step evidence. Ask your child to point to the measurement, diagram, map, or observation before answering. If the choice does not explain the evidence in the prompt, it is probably a distractor. That habit keeps science reasoning tied to data rather than guesswork.

What your child will learn

Use fossils as evidence of past environments
Compare relative ages of rock layers
Interpret patterns in rock formations
Support claims with geologic evidence

NGSS standard: 4-ESS1-1

Worked example

Shell fossils in a desert cliff can support the claim that the area may once have been covered by water.

Common mistake

Choosing a claim about today's landscape without using the fossil or rock-layer evidence.

Helpful hint

Ask what the fossil or layer shows about the past, not just the present.

Next skill: Weathering and Erosion Earlier: How Animals Sense the World

Questions parents ask

What is the most common mistake with rocks, fossils, and time?

Choosing a claim about today's landscape without using the fossil or rock-layer evidence.

How can I help my child with rocks, fossils, and time?

Ask what the fossil or layer shows about the past, not just the present.

Are these 4th grade science worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

More 4th grade earth science

See all earth science

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