Bozeman Science
LS4A - Evidence of Common Ancestry and Diversity
In this video Paul Andersen describes several types of evidence for common ancestry. This evidence is contained in the fossils, embryos and molecules of living organisms. Even though life on our planet is incredibly diverse there are...
TED Talks
TED: Hunting for dinosaurs showed me our place in the universe | Kenneth Lacovara
What happens when you discover a dinosaur? Paleontologist Kenneth Lacovara details his unearthing of Dreadnoughtus -- a 77-million-year-old sauropod that was as tall as a two-story house and as heavy as a jumbo jet -- and considers how...
SciShow
Could Life Have Survived in Mars's Ancient Lake?
Samples from the Curiosity rover suggest that Mars had a potentially habitable lake in its past, and gravitational lensing has helped scientists weigh a star!
Curated Video
Weathering: The Breakdown of Rock by Physical and Chemical Processes
The breakdown of rock into smaller pieces by physical and chemical processes at the Earth's surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
The Sedimentary Rock Song! | Rock Cycle Song For Kids
There are 5 steps that help form sedimentary rocks, let's learn about them!
Curated Video
The Three Types of Rocks
Dr. Forrester explains the three different classifications of rocks: igneous, sedimentary, and metamorphic.
Curated Video
Fossils Are Amazing
Dr. Forrester explains what fossils are, how they are formed, and what information they provide. She will also be conducting an experiment using fossils.
Curated Video
United States Landforms
Dr. Forrester talks about the different types of landforms that can be found in the United States. She also describes several landforms in detail about how they are created.
Professor Dave Explains
Physical Weathering Processes
At this point we know a lot about how rocks form, but now we need to understand precisely how they are weathered. Weathering describes the forces and conditions that break down rocks that are exposed at the surface into smaller...
Professor Dave Explains
Weathering Environments Part 1: Fluvial Processes
We now know about physical and chemical weathering, so now it's time to learn about the different weathering environments. These are fluvial, aeolian, and glacial. Let's start with fluvial, which means environments dominated by flowing...
Professor Dave Explains
Classification of Sedimentary Rocks Part 2: Biogenic Rocks
We talked about siliciclastic rocks, so now let's talk about biogenic rocks. These are sedimentary rocks that are derived from the skeletal materials of living organisms. That's right, rocks made of things that were alive! The most...
Professor Dave Explains
Classification of Sedimentary Rocks Part 3: Chemogenic Rocks
With siliciclastic and biogenic rocks covered, that leaves only chemogenic rocks to finish up with sedimentary rocks in general. These are rocks that precipitate from natural waters, usually due to evaporation. How does this occur, and...
Professor Dave Explains
Mineralogy of Sedimentary Rocks: Weathering and Diagenesis
Now that we know some general information regarding sedimentary rocks, let's examine their mineralogy. What kinds of minerals can be found in sedimentary rocks? How do these minerals change over time? What can we say about weathering,...
Professor Dave Explains
Characteristics of Sedimentary Rocks: Size, Provenance, and Composition
With igneous rocks understood, let's move on to the second type of rock, sedimentary rock. What are sediments, and how do they come together to form sedimentary rocks? What can we say about the size of such a rock? It's provenance, or...
Professor Dave Explains
Classification of Sedimentary Rocks Part 1: Terrigenous/Siliciclastic Rocks
We now know what sedimentary rocks are, but how do we classify them? We have to discuss three broad categories of sedimentary rock, and the first of these are terrigenous or siliciclastic rocks. These are rocks composed of clasts, or...
Visual Learning Systems
Sedimentary Rocks: Fossils in Sedimentary Rock
This program outlines the classification system of sedimentary rocks. Specific attention is paid to the different ways sedimentary rock forms. The relationship between sedimentary rocks and the formation of fossils is investigated. Other...
Visual Learning Systems
Fossil Formation: Factors and Processes
In this video, the teacher explains the factors that contribute to the formation of fossils. It emphasizes the importance of quick burial in sediments to prevent decay and consumption by other animals. The video also highlights the...
Visual Learning Systems
Rocks and the Rock Cycle: Complexities of the Rock Cycle
The rock cycle is illustrated in detail using easy-to-understand animations. Examples of the various types of rocks are introduced and the characteristics of different rocks are compared. Other terminology includes: rock cycle, igneous,...
NASA
Houston We Have a Podcast: The Search for Life
Dr. Aaron Burton and Dr. Marc Fries, Planetary Scientists, talk about searching for organic material in meteorites from around the solar system. They share what we're finding that helps us understand the fundamentals of life here on...
NASA
Gravity Assist: Gravity Assist Podcast: The Moon Rocks! With Barbara Cohen
Learn how Moon rocks can reveal all kinds of information about our nearest neighbor, as NASA prepares to send astronauts to the Moon and on to Mars.
Curated Video
The Evolution of Earth's Atmosphere
The video discusses how the Earth's atmosphere has evolved over the past 4.6 billion years, with a focus on the composition of gases present over different periods of time. It highlights the role of volcanoes, oceans, plants, and fossil...
Curated Video
I WONDER - What Are Sedimentary Rocks?
This video is answering the question of what are sedimentary rocks.
Visual Learning Systems
Rocks: Rocks From Particles
Upon viewing the Rocks video series, students will be able to do the following: Define rock as a solid, naturally-occurring mixture of minerals. Define minerals as solids with a definite chemical composition and crystal structure....
Mazz Media
The Science of Climate Change
Real World Science : The Science of Climate Change This program begins by explaining how scientists have learned that Earth’s climate has changed many times over billions of years and that Earth’s climate is always changing. Students...