When Einstein first heard the theory of the expanding universe, he dismissed it as bad physics. Now scholars learn about the theory and how scientists prove it has merit. Through a hands-on simulation and videos, class members measure...

Think you know a lot about the universe? You may, or may not, be right! Aspiring astrologists examine our ever-expanding universe with a video from the Veritasium playlist. The narrator discusses the observable universe, the time it...

We have all heard about the Big Bang and other theories about how the universe began, but how will it end? Cosmologists study dark matter and dark energy to try to figure out the answer to this mind-blowing question. This topic is a...

A video highlights the contradictions in the Big Bang Theory and then discusses the need for a unifying theory of everything. Space Time presents an enlightening video as part of a larger series on Cosmology.

Everyone knows the Big Bang Theory ... but, then what happened? Go beyond the bang in an illustrated video that discusses the after effects of the event that set our universe in motion. Physics scholars discover how the creation of...

The history of our understanding of the center of the universe is explored through this film. The ideas of Aristotle, Copernicus, Bruno, Descartes, and Herschel are included, as well as the new discoveries that have helped the theories...

Young scientists create a simulation of Hubble's law. Introducing the Big Bang Theory using balloons and a simple lab learning exercise, scholars complete a data table and perform analysis.

What if time didn't begin with the big bang? Big Bang doesn't completely answer questions about the beginning of the universe, but cosmic inflation theory holds up better according to scientists in this video. Cosmic inflation fits so...

Without the theory of evolution, we wouldn't understand the origins of HIV. The video explains three mysteries solved using the theory of evolution. It opens with shrinking fish, then the origins of HIV, and finally why grasslands turn...

The cosmic even horizon of the universe is closer to us than the particle horizon. Space Time's Cosmology playlist tackles this and other complex concepts about the universe. The video discusses how the scientists define the edge of the...

No one was actually there to see the birth of the universe, but years of collaboration between physicists and mathematicians allow us to glimpse all but a fraction of a second of it. A narrated journey shows the phase changes early...

Students simulate the Big Bang. In this lesson on the origin of our universe, students role play to show how the Big Bang explosion may have created our universe.

What is the universal breakfast? The resource includes two activities, the first one observing oatmeal to understand the texture of the universe. Then, scholars measure raisin bread dough before and after it rises to represent the...

Scientists from Newton to Friedmann debated the future of the universe. Many scientists thought the universe might collapse on itself in a big crunch, but new mathematical models finally gave us an official answer. The Space Time video,...

The concept of the universe can be incredibly complicated on a physical and mathematical level. Yet Salman Khan is able to explain ideas that lead to conclusions of universe size. He uses intriguing diagrams and presents information that...

Middle schoolers describe what scientists mean by an "expanding universe" in their own words. They explain how scientists comprehend the universie is expanding. Students comprehend the vast scale of the universe. They comprehend how...

Begin your next class with a BANG! Pupils discuss the formation of our universe and its expansion before proceeding with an activity designed to demonstrate what most likely occurred billions of years ago. They conclude with a discussion...

Worlds within worlds! Do parallel universes really exist? Science pupils journey into the unknown in a short, narrated video that describes and explains three theoretical types of parallel universes using simple animations. The narrator...

In this galaxies and the universe instructional activity, students are given 8 clues about galaxies of the universe, spectrographs, and the theory of the universe expanding. They write the answer to each in given blanks with boxed...

The universe is getting bigger and bigger! A video features an instructor explaining the Big Bang Theory and gives evidence to show the universe is still expanding. Discussion includes the doppler effect and the red-shift in the light...

Students explore the expanding universe.  In this science lesson, students use balloons to model the expansion of the universe. Students take measurements of the balloon expansion and answer questions directed to develop their...

In this big bang balloon worksheet, students create a simple model to learn how the universe expands over time. Students follow the provided procedures along the supplies of a balloon, measuring tape, and a felt tip marker to create a...

How can something come from nothing? The Big Bang Theory has an answer to that question. An installment in the Kurzgesagt playlist outlines the theory of the origin of the universe. It includes an explanation of the evidence that...

Don't keep your physics class in the dark about night—introduce them to the concept with a short animated video! The narrator discusses how the Big Bang set our universe into an ever-expanding motion where the stars we observe now appear...