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5:31
Lesson Planet

How One Scientist Averted a National Health Crisis

For Students 6th - 12th Standards
Between 1957 and 1962, thousands of infants born in Canada, Great Britain, and Germany had serious deformities due to thalidomide, a drug marketed to pregnant women as a mild sleeping aid and to relieve pregnancy nausea. However, the...
4:52
Lesson Planet

What Would It Be like to Live on the Moon?

For Students 6th - 12th Standards
Will the next generation have the option of living on the moon? Discover the challenges and adjustments required to live in such a harsh environment with a short video that describes some of the obstacles scientists must overcome in...
5:00
Lesson Planet

How Do We Study Living Brains?

For Students 6th - 12th Standards
Out of all vertebrates, the largest brain when compared to body size belongs to humans. Studying the working brain presents challenges to scientists. Learn about three of the most common tests used to understand how the living brain...
4:57
Lesson Planet

Why Are Fish Fish-Shaped?

For Students 6th - 12th Standards
Some species of fish are more closely related to humans than they are to other species of fish! How did so many species, that aren't closely related, develop the same body shape? A short video explains the evolution of fish. 
4:34
Lesson Planet

What Is Dust Made Of?

For Students 6th - 12th Standards
We find dust almost everywhere, but have you ever considered it fascinating? Dust contains a variety of materials and varies greatly based on location. After learning about dust, scholars answer multiple-choice and short-answer questions.
3:33
Lesson Planet

What Causes Constipation?

For Students 6th - 12th Standards
Chronic constipation includes those people with fewer than five bowel movements per week. Understanding the causes of constipation helps determine appropriate treatments. Changes in diet, schedule, stress, and age alter the way our body...
4:32
Lesson Planet

How to Build a Dark Matter Detector

For Students 6th - 12th Standards
Scientists measure dark matter based on gravity, but how do we find something that can't be detected by anything on the electromagnetic spectrum? Understanding what doesn't work leads to new tests and machines in the search for dark...
2:31
Lesson Planet

Seasonal Science: Thundersnow

For Students 6th - 12th Standards
Let it snow, let it snow, let it ... thundersnow? Explore the thundersnow phenomenon with a video and lesson as part of the Seasonal Science series. The video describes what causes the unique weather event, explains just how rare these...
Lesson Planet

How the First State Constitutions Helped Build the U.S. Constitution

For Teachers 7th - 12th Standards
Did you know that the United States Constitution was adopted after many state constitutions were already in place? Young scholars examine facts about the influence of states through an informative and interesting resource. Groups then...
Lesson Planet

Harriet Tubman and the End of Slavery

For Teachers 7th - 12th Standards
Harriet Tubman saved hundreds from slavery through what was called the Underground Railroad. Teach learners about her amazing accomplishments through the article that uses effective direct instruction. After reading, scholars break into...
Lesson Planet

The Lincoln-Douglas Debates — Springboard to the White House

For Teachers 7th - 12th Standards
The Lincoln-Douglas Debates saw two primary political candidates debating seven different times about one of the most important social movements in United States history. Middle and high schoolers read an article that describes the...
Lesson Planet

Sam Houston: A Study in Leadership

For Teachers 7th - 12th Standards
Learners read a short excerpt from a speech by Sam Houston and answer corresponding questions as well as engage in additional activities, including writing a persuasive essay and discussing topics in small groups. The resource helps lay...
6:54
Lesson Planet

The Other Explosion You Should Know About

For Students 6th - 12th Standards
Scientists replace incorrect ideas when new evidence appears, but what happens when scientists reject the new evidence? Learn the story of the Avalon explosion and the scientists who resisted the fossils proving it existed as one part of...
9:12
Lesson Planet

How the Turtle Got Its Shell

For Students 6th - 12th Standards
Does a shell define a turtle, or are there turtles without shells? Learn about the evolution of the unique reptile and the mystery that surrounds this identifiable feature as part of a larger series of videos. As various disciplines...
7:00
Lesson Planet

The Most Useful Fossils in the World

For Students 6th - 12th Standards
One of the most abundant fossils on earth confused paleontologists for more than one hundred years. Viewers learn about the mystery and discoveries related to conodonts in a video from PBS as part of its Eons series.
8:52
Lesson Planet

What a Dinosaur Looks like under a Microscope

For Students 6th - 12th Standards
How do scientists determine the age of a dinosaur when it died? Viewers earn how scientists make slides of dinosaur fossils and how they use these images to determine age at death. Part of a larger Eons series from PBS, these beautiful...
8:12
Lesson Planet

Inside the Dinosaur Library

For Students 6th - 12th Standards
Where do fossils that aren't on display in a museum go? Learn about the dinosaur collections at the Museum of the Rockies as part of the larger PBS Eons series of videos. The collections manager explains how they care for fossils and...
11:44
Lesson Planet

What Was the Ancestor of Everything?

For Students 6th - 12th Standards
As part of evolution species branch off of others species. But what did the original limb look like? Young scientists discover the exciting study of the last universal common ancestor as they hear from specialists in multiple scientific...
8:32
Lesson Planet

How the Squid Lost Its Shell

For Students 6th - 12th Standards
The ancestors of squid and octopus used shells as a form of defense. Pupils learn how cephalopods evolved without shells and the adaptations required to survive without one. Viewers learn how scientists know about these changes and the...
7:58
Lesson Planet

How the Chalicothere Split In Two

For Students 6th - 12th Standards
How is it that the same animal, living in the same place, at the same time, evolved into two different species? As part of a larger series, an engaging video explains the rise of the chalicothere, the split in evolution, and eventually...
8:18
Lesson Planet

The Weird, Watery Tale of Spinosaurus

For Students 6th - 12th Standards
While scientists have know about dinosaurs that flew in the air, lived on land, and swam in the water, a episode from the PBS Eons series reveals recent discoveries of a dinosaur that was semi-aquatic—the first known semi-aquatic...
11:07
Lesson Planet

The Age of Reptiles in Three Acts

For Students 6th - 12th Standards
Reptiles survived the largest extinction event on the planet and then they grew into the most dominant class of the Mesozoic Era. They quickly evolved into giants on land, sea, and air. In an episode of the PBS Eons series viewers learn...
13:01
Lesson Planet

From the Fall of Dinos to the Rise of Humans

For Students 6th - 12th Standards
We live in the Cenozoic Era, and most of the animals we recognize first appeared in this era. However, the animals that existed at the start of the era bear little resemblance to present day. As one part of a larger series, individuals...
8:04
Lesson Planet

That Time It Rained for Two Million Years

For Students 6th - 12th Standards
What would happen if all of the land on Earth received as much rainfall as the temperate rain forest? The vast desserts would be altered, the animals would adapt or die, and the types of plants available would quickly shift. This is what...