Force equals mass times acceleration. Physics whizzes apply this formula to six different diagrams, solving eight acceleration problems in all. This is a practical assignment, perfect for homework when practicing Newton's second law of...

Here is a comprehensive and lengthy presentation on tidal wetlands. Many photos of grasses and the animals that live among them are included, making this a virtual field trip. The progression of the presentation is as if you would walk...

When Captain John Smith visited the Chesapeake Bay in the summer of 1608, what types of animals and habitats did he encounter? Your young historians will analyze primary source documents to answer this question, as well as compare...

Though an alternative method is suggested, the best way to carry out this investigation is with the use of a computer-interfaced motion detector. Physics fanatics hang a mass on the end of a spring and analyze its motion verbally,...

Did you know that you can find added sugars in three-quarters of the foods you find in grocery stores? Invite your learners to consider how much sugar exists in the food products we eat on a day-to-day basis, as well as to learn about...

If you weren't already blown away by first two installments, check out this clip on how gravity and space-time interact! Our physicist friends, Pontzen and Whyntie, continue their discussion of these motion concepts for your high...

From gas to liquid condensation to solid frost, water undergoes phase changes before students' eyes! Using ice, salt, water, and a metal can, they set up an investigation that can be used in a physical science setting, or as part of a...

Build the vocabulary your second graders need to meet the Common Core Math Standards with this list of key terms. Complete with a set of vocabulary cards that support each word image and examples, this resource is an excellent tool for...

Take your class out to visit your automobile and use the tires to compute the weight of the vehicle. This is done by measuring the surface of the tire meeting the ground and the air pressure. This is a fun lesson in the relationship...

An illuminating activity demonstrates how interference of light waves creates a pattern. Using Plexiglas™ and construction paper, participants see rainbows appear as they twist or press against the plastic plates. After the activity, you...

Give pupils a magnifier, a mirror, and a flashlight so that they can examine their own pupils. As they shine a light on their eyes, the light is shone on how this structure dilates and contracts to control how much is allowed into the...

Tamarin monkey language can be categorized by stem upsweep, duration, peak frequency, and frequency change. Although other complex terminology is used to describe the 38 calls of this species, the video is easy to follow and a...

Why would Robert E. Lee order Pickett's Charge, an action that changed the course of the Civil War? Geographer and historian Anne Knowles uses digital technology to explain what she thinks is the missing piece in trying to understand...

Who says scientists are boring geeks? Certainly not the narrator of a short video who dishes up the scandals associated with Tycho Brahe, a Danish scientist and alchemist (now that's two labels you don't often see together) who used...

The threat posed by super volcanoes is explored in a short video that reviews the destruction caused by Mount Tambora in 1815 and by Peru's Huaynaputina in 1600. Think it can't happen again? The narrator contends that the explosive...

How do you get the truth unfiltered by middlemen? Tune into various sources and note the differences is the suggestion in a short video that begins by providing examples of how media gatekeepers have manipulated information and how those...

To take "the definitive portrait of that person in that moment" is the quest of photographer and hip-hop historian Jonathan Mannion. For this short video, Mannion details his dedication to his art and the process he goes through to catch...

What can a Ganesh statue, hand ornament, and print block tell you about India? Introduce your learners to the geography, history, and culture of India by analyzing primary sources and using the well-designed worksheets provided in this...

Strap on those backpacks, it's time to travel through history with this literature unit based on the first four books of The Magic Tree House series. While reading through these fun stories, children create story maps, record...

Designed to be used after a reading of The Little Red Riding Hood, this worksheet asks kids to match thought bubbles with pictures, to order events, and to form the past tense of selected verbs.

What do Lady Gaga and Dame Edith Sitwell have in common? As they examine Sitwell's poetry, class members learn that the similarities are far more than their unique appearance.

Entertain and grab your learners' attention with a short video clip that engagingly teaches the concept of a permutation and how a factorial is a wonderful shortcut for theoretical probability calculations.