CK-12 Foundation
Mineral Identification: Mineral Scratch Test
How can mineralogists tell a diamond in the rough from a chunk of table salt? Science scholars find out through an interactive that demonstrates the characteristics of minerals used for identification purposes. Topics include hardness,...
CK-12 Foundation
Venn Diagrams: Planets and Dwarf Planets of the Solar System
Yes, Venn diagrams are helpful in science, too. Learners use an interactive to classify celestial bodies as having moons, as dwarf plants, as both, or as neither. They answer a set of challenge questions based on the Venn diagrams they...
Curated OER
Activity Two: The Classic Fossil Lab-Simple Format
In this fossil worksheet, students are given a bag of fossils to identify. They use a key and a worksheet with pictures of the various types of fossils. They answer questions about fossils and use a web site to find out if their state...
CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.
CK-12 Foundation
Simplification of Radical Expressions: Richter Scale Exponents
Shake up your lessons with with a radical resource. Scholars use a slider to view the Richter scale magnitude and amplitude of historical earthquakes. They use powers of 10 to compare the amplitudes of different earthquakes.
CK-12 Foundation
Graphs of Linear Model of Direct Variation: On the Moon
You'll be over the moon about this resource. Scholars draw a line representing the weight of an object on the moon based on its mass. Consideration of the constant of proportionality allows them to see relationships between weight of an...
PBS
Pbs Learning Media: How Is a Radio Wave Emitted?
This illustrated essay from A Science Odyssey Web site explains the science behind radio waves, including the role of electrons and electromagnetic fields.
PBS
Pbs Learning Media: Mountain Maker, Earth Shaker
This interactive activity adapted from A Science Odyssey Web site helps you visualize different types of plate tectonic activity and shows the impact this activity has on Earth's surface.
PBS
Pbs Learning Media: Floating and Sinking: Hot Air Balloons
Why do hot air balloons float? This resource from the NOVA Web site offers a series of interactive activities that illustrates the physics of hot air balloons.
PBS
Pbs Learning Media: Technology Timeline
This interactive timeline from the AMERICAN EXPERIENCE Web site features influential technological innovations from 1750 to 1990.