Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
What Parts of a Plant Do We Eat?
Did you know that tomtoes and cucumbers are actually fruits? Biology or botany beginners read about the function of flowers and fruit and find that some food items commonly called vegetables are, by definition, also fruits! Give learners...
Kenan Fellows
Microorganisms in Pond Water
That is living in the water? Groups of two to three view pond water with microscopes in order to find microorganisms. They draw pictures of the ones they find in their slides. The groups compare their drawings to pictures of common pond...
Teach Engineering
Slinkies as Solenoids
What does an MRI machine have to do with a slinky? This activity challenges learners to run a current through a slinky and use a magnetic field sensor to measure the magnetic field. Groups then change the length of the slinky to see the...
Curated OER
Testing for Catalase Activity
For this catalase worksheet, students read about how enzymes work in cells. Then students conduct an experiment to test for catalase activity in potatoes. This worksheet has 1 graph and 6 short answer questions.
Curated OER
BJT Amplifier Troubleshooting
In this electrical circuit worksheet, students answer a series of 11 open-ended questions about BJT amplifiers and how to troubleshoot these circuits. This worksheet is printable and the answers are revealed online.
Curated OER
Identifying Vertebrates
In this biology worksheet, students look for the answers to how to classify animals. They specifically focus upon the vertebrates while differentiating the characteristics from other organisms.
Curated OER
Flatworms- Observations of a Live Planarian
For this flatworm worksheet, students observe a flatworm in a petri dish. Kids describe the flatwork and measure the planarian. Students complete the various charts about the movement and observations of the planarian.
Teach Engineering
Force on a Current Carrying Wire
What do electrical currents have to do with an MRI? Using a simple wire setup and a magnet, class members explore forces used in an MRI by investigating the magnetic force acting on a wire carrying a current.
Curated OER
Breaking News English: New Machine Sucks CO2 from the Air
For this English worksheet, students read "New Machine Sucks CO2 from the Air," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.