Passage
Grades 3–6
Earth Changes Over Millions of Years
Reading Passage
$1.50
Science · Curriculum resources
Geologic Time Worksheets and Activities
Explore our Geologic Time curriculum resources, designed for grades K through 8. This hub offers worksheets, activities, reading passages, games, and graphic organizers that build understanding of Earth's history across the elementary and middle school grade span.
26 results
Passage
Grades 3–6
Reading Rocks
Reading Passage
$1.50
Passage
Grades 3–6
Rock Layers
Reading Passage
$1.50
Passage
Grades 3–6
Marine Fossils on Mountains
Reading Passage
$1.50
Passage
Grades 3–6
Ice Age: When Glaciers Covered Land
Reading Passage
$1.50
Passage
Grades 3–5
Fossil Patterns
Reading Passage · NGSS 4-ESS1-1
$1.50
Unlock more from Workybooks
Unlimited
$29.99/yr$49.99
- All 10,000+ resources
- Unlimited downloads
- Cancel anytime
Or pay as you goFrom $1.50
See all plans
40% off until Aug 1
Passage
Grades 3–6
Deeper Layers Are Older
Reading Passage · NGSS 4-ESS1-1
$1.50
Passage
Grades 3–6
Fossils in Rock Layers
Reading Passage · NGSS 4-ESS1-1
$1.50
Passage
Grades 5–8
What Does the Grand Canyon Reveal
Reading Passage · MS-ESS1-4
$1.50
Worksheet
Grades 5–8
The Cenozoic Era
Worksheet · MS-ESS1-4
$1.50
Passage
Grades 5–8
What Is the Phanerozoic Eon
Reading Passage · MS-ESS1-4
$1.50
Worksheet
Grades 5–8
Reading the Cenozoic Time Scale
Worksheet · NGSS MS-ESS1-4
$1.50
Passage
Grades 5–8
What Are Periods and Epochs
Reading Passage · MS-ESS1-4
$1.50
Unlock more from Workybooks
Unlimited
$29.99/yr$49.99
- All 10,000+ resources
- Unlimited downloads
- Cancel anytime
Or pay as you goFrom $1.50
See all plans
40% off until Aug 1
Worksheet
Grades 5–8
Why Did Mammals Take Over? — A Cenozoic CER
Worksheet · NGSS MS-LS4-1 (SUPPORTING); CCSS.ELA-LITERACY.RH.6-8.1; C3 D2.HIS.16.6-8 (SUPPORTING)
$1.50
Passage
Grades 5–8
What Are Eons and Eras
Reading Passage · MS-ESS1-4
$1.50
Worksheet
Grades 5–8
Cause and Effect in the Cenozoic Era
Worksheet · NGSS MS-LS4-1
$1.50
Passage
Grades 5–8
What Is Deep Time
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
What Are Stromatolites
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
What Was the Oxygen Revolution
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
Are Mammoths Dinosaurs
Reading Passage · MS-ESS1-4
$1.50
Unlock more from Workybooks
Unlimited
$29.99/yr$49.99
- All 10,000+ resources
- Unlimited downloads
- Cancel anytime
Or pay as you goFrom $1.50
See all plans
40% off until Aug 1
Passage
Grades 5–8
How Humans Crossed the Bering Land Bridge
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
What Was the Cenozoic Era
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
The Age of Mammals Begins
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
What Were the Ice Age Megafauna
Reading Passage · MS-ESS1-4
$1.50
Passage
Grades 5–8
Why Did Pleistocene Ice Ages Happen
Reading Passage · MS-ESS1-4
$1.50
Passage
Grade 6
When Was The Last Ice Age
Reading Passage · MS-ESS2-2
$1.50
Get more from Workybooks
Three ways to use Workybooks — pick what fits.
Start free
$0
No credit card required
- Access to limited resources
- 1 download & 1 Instant Assign by code per day
- 30-day assignment history
Pay as you go
From $1.50
Per resource, one-time
- Download and keep forever
- Online access while account is active
- No subscription, no auto-renew
Open any resource and click Buy.
Best value
Unlock everything
$49.99$29.99 / year
Summer sale • 40% off until Aug 1
Renews at $49.99/year.
All 10,000+ resources, unlimited use
- Download any worksheet, reader or printable
- Play every game and assign to classrooms
- Cancel anytime, no ads
Cancel anytime · No ads · Trusted by 30,000+ teachers
About these Geologic Time worksheets and activities
Geologic Time is introduced in the earliest grades as students learn about Earth's layers and the basic idea of change over time. In K-2, children explore fossils and how they tell us about long-ago environments. As they progress through grades 3-5, students deepen their understanding of relative dating, the rock cycle, and major events in Earth's history, such as the formation of continents and mass extinctions. By grades 6-8, learners engage with the geologic time scale, index fossils, and absolute dating concepts.
Our resources scaffold this progression, offering differentiated materials that connect related concepts like plate tectonics, erosion, and the fossil record. Students practice critical thinking, sequencing, and evidence-based reasoning. The collection includes printable and digital options, with some resources free and most available through a membership. Teacher-authored and standards-aligned, these materials are designed for no-prep classroom use.
Using these in your classroom
Teachers can use this hub to select resources that match their class's grade level and differentiate across a mixed-ability room. For whole-group instruction, choose a common reading passage or activity, then assign scaffolded versions for small groups or centers. Use printable worksheets for independent practice, homework, or intervention, and digital games for review or assessment. The range of resource types supports literacy centers, small group work, and whole-class lessons, while the grade-spanning content allows teachers to pull materials for review or enrichment as needed.
Standards alignment
These resources align with Common Core standards for reading informational text and writing, as well as Next Generation Science Standards for Earth science, across the K-8 grade span. Specific grade-level standards can be found on individual resource pages.
Frequently asked questions
Are these Geologic Time worksheets printable?
Yes, many of our Geologic Time worksheets are printable. You can download and print them for classroom use. Some resources are free, while others require a paid membership.
Are these Geologic Time worksheets for kids?
Absolutely. Our Geologic Time worksheets for kids are designed for grades K-8, with age-appropriate content and activities. They are perfect for classroom or at-home learning.
How do I find resources for a specific grade level?
Use the grade filter on our site to narrow resources by grade. Each resource also lists the recommended grade range, so you can easily find materials that match your students' level.
Do you offer digital Geologic Time activities?
Yes, we offer digital activities such as interactive games and online reading passages. These can be used on tablets, computers, or interactive whiteboards for engaging practice.