Illustrative Mathematics
Right Triangles Inscribed in Circles II
So many times the characteristics of triangles are presented as a vocabulary-type of lesson, but in this activity they are key to unraveling a proof. A unique attack on proving that an inscribed angle that subtends a diameter must be a...
Curated OER
Epic Improvisation
Really? Rapping The Odyssey? Really. A discussion of the oral tradition of story telling and its links to Epic poetry sets the stage for a series of activities that encourage improvisation to integrate music into other classrooms....
Exploratorium
Corner Reflector
If you set up a triad of mirrors into a corner figuration, they act as a kaleidoscope, bouncing light waves back and forth indefinitely, changing the light that your eyes perceive. Although the materials required are very specific and...
Exploratorium
Resonator
Construct a demonstration apparatus for your lesson on resonance. Instructions are provided here to assemble dowels and balls into swinging objects that have different frequencies. It is a neat visual to include during your lecture if...
National WWII Museum
A New War Weapon to Save Lives
Young historians view and analyze photos and documents from WWII that are related to blood transfusions and blood plasma. A demonstration of correct and incorrect blood donors visually shows the importance of knowing blood type. After...
Scholastic
Presenting Persuasively (Grades 6-8)
Teens and pre-teens are a prime target for advertisers, so how are they doing it? An interactive lesson highlights the strategies used by advertisers, such as visual imagery and verbal clues. Then, a short writing assignment puts those...
Polar Trec
Who Will Melt First?
If the Greenland ice sheet melted, sea levels would rise by about 20 ft; if the Antarctic ice sheet melted, sea levels would rise by 200 ft. Scholars explore ice melting through the analysis of different ice samples, clean and dirty ice....
US Mint
Rename That State!
As Shakespeare famously wrote, "A rose by any other name would smell as sweet," but can the same be said for a state? In this elementary geography instructional activity, students are assigned specific states to research using the...
Baylor College
Animals' Needs
Explore the wonderful world of earthworms as your class learns about the requirements of animal life. After building soda bottle terrariums, students observe worms over the course of a couple weeks, building an understanding that all...
Baylor College
Food for Kids
Immediately capture the attention of your class with the smell of freshly popped popcorn in the sixth instructional activity of this series on the needs of living things. Young scientists first use their senses to make and record...
Baylor College
Air and Breathing
Blow some bubbles and learn how living things need air in the eighth activity of this series. Young scientists investigate this important gas by observing bubbles and monitoring their own breathing. A simple and fun activity that raises...
Baylor College
A Place to Be
Home sweet home. Humans, birds, beavers, ants, we all need a place place to rest and keep us safe. In the ninth lesson plan of this series, the importance of shelter is discussed as the teacher reads aloud the book Tillena Lou's Day in...
Baylor College
Gases Matter
As a demonstration or as a hands-on activity, your class watches as the combination of vinegar and baking soda produce carbon dioxide gas. The intent of the lesson is to help youngsters understand that gases occupy space. It is included...
Texas State Energy Conservation Office
Investigation: Water Wheel
Middle school scientists construct a working water wheel from an aluminum pie pan. Because of the sharp edges on the cut aluminum, this activity is for mature learners only. You could have your class compete to see whose wheel can lift...
Food a Fact of Life
Celebration
Mastering the creaming method in cake making is featured in a foods activity that asks class members to prepare a Dutch apple cake or a marble pear tray bake. A delicious way to celebrate.
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