CK-12 Foundation
Ck 12: Earth Science: Experiments and Hypotheses Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the scientific method and hypotheses.
Science Buddies
Science Buddies: The Big Dig
Even though many cities have recycling programs, a lot of trash still ends up in the dump. Find out which materials will break down and which materials won't. Will the results of this experiment change which products you often buy?
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Earth's Hydrologic Cycle
In this experiment, students create a model of the water cycle and learn about its crucial role in moving water around the Earth.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Energy Efficiency
In this simple experiment, students learn about the insulating characteristics of soil and how this relates to energy efficiency.
Science Buddies
Science Buddies: Do Large Mammals Align Themselves With Earth's Magnetic Field?
In this science fair project, use Google Earth to determine if large mammals align themselves in respect to the earth's magnetic field. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Exploring Porosity
Experiment to find out which size of gravel has the most porosity by measuring volume.
Science Buddies
Science Buddies: Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers
Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this...
Bill Nye
Bill Nye: Orbiting Marbles
Try this at-home science experiment to learn how Earth's gravity pulls an object so that it's constantly changing direction.