CK-12 Foundation
CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
Curated OER
The History of Life on Earth
Using meters as years, your class works together to map out the geologic time scale on a football field. Plenty of background information is included in this lesson plan as well as several resource links and a student worksheet. Your...
Oregon State
World Map of Plate Boundaries
Young geologists piece together the puzzle of plate tectonics in an earth science lesson. Given a physical map of the world, they search for land formations that indicate the location of different types of plate boundaries.
Safe Routes to School
Pollution & Evolution
Bring together a study of two major scientific topics with a lesson on the relationship between pollution and evolution. With the help of a PowerPoint presentation, hands-on activity. and class demonstration young scientists learn...
Curated OER
Evolution
Explore the concept of evolution and cell biology; your class can work in groups to use the internet to view websites on evolution, take a quiz, and complete a lab activity.
ARKive
Adaptations for Movement
What animals are best suited for moving around a rainforest, or a desert? Design your own animal species based on a particular habitat, focusing on the characteristics it will need for optimal movement. Great as a group lesson or...
Science 4 Inquiry
The Ins and Outs of Photosynthesis
The most important chemical process on Earth is photosynthesis. Scholars explore the changes in the gases in our atmosphere as life on Earth developed. They create a model of photosynthesis and consider simple questions.
Curated OER
Sun and Weather
How is the Earth's weather created? Middle schoolers will explain how the Sun's energy is transformed into different forms. They will perform mathematical calculations of volume, mass, and temperature. They they will explain the...
Howard Hughes Medical Institute
EarthViewer
Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...
Curated OER
Dinosaur Eggs Discovered! Unscrambling the Clues
Just a heads up: this lesson is based on a book, Dinosaur Eggs Discovered! Unscrambling the Clues. If you do not have or do not want to purchase the book, you may still find the other activities and worksheets useful in your earth...
School Science
The Big Bang Time Machine
Scholars take off on an interactive spaceship to explore a historical timeline of the big bang theory. They learn about the evolution of mammals and humans, the formation of stars and planets, and the chemical composition of the early...
Discovery Education
The Time of Our Life
Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...
Space Awareness
Star in a Box
What happens to stars as they get older? A simulation takes pupils through the life cycle of stars based on their masses. The resource introduces the Hertzsprung-Russell diagram and the common relationships and life cycle patterns observed.
McGraw Hill
Arthropods
Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 
Curated OER
Using Living Organisms to Explain Evolution
Students investigate evolution in its most fundamental form: the observation of living organisms. By comparing variations that exist among living animals, students formulate their own hypotheses and conclusions about the evolution of...
Curated OER
Origins: Earth Is Born
Students develop a timeline of all the major events involved in the formation of the Earth and the emergence of humans. In groups, they focus on a specific topic by watching a PBS program and taking notes. After the video, they list...
PHET
Planet Designer: Martian Makeover
Mars used to have liquid water, can you make it come back? Use the lesson and simulation to understand why Mars lost its magnetic field, why atmosphere is important, and what gravity has to do with it. This is the third lesson...
Curated OER
Science Puzzlers, Twisters, and Teasers: The History of Life on Earth
A somewhat amusing assignment, this worksheet lists statements that an ancient organism may have made and asks learners to determine what geologic era that each may have lived in. It uses witty word puzzles and fill-in-the-blank-style...
Curated OER
Be a "Fossil Detective" an Effective Tool in Earth Science Education
Students examine the geological time scale: the Earth is ancient; time can be divided into periods based on its fossil content.
University of Colorado
Are All Asteroids' Surfaces the Same Age?
There are more than 600,000 asteroids in our solar system. Pupils analyze images of two asteroids in order to determine if they are the same age. They count craters for each asteroid and compare numbers. 
University of Colorado
Can Photosynthesis Occur at Saturn?
In the 19th activity of 22, learners determine if distance from a light source affects photosynthesis. Participants capture oxygen in straws and find that the amount of water the gas displaces is proportional to the rate of photosynthesis.
Curated OER
Happy Birthday, Earth!
Students visualize the Earth's ecosystem at a specific time period and how Earth has changed over time. They  create a detailed journal entry for a specific time period and create a birthday card to Earth.
American Museum of Natural History
Paleontology Books
A list of 11 books about paleontology offers titles, authors, and a brief description of the tale.
Michigan State University
Bug Lyphe!
Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...