Dr. Forrester defines physical change and chemical change. She compares and contrasts a physical change to a chemical change and predicts, conducts, and records the outcome of a chemical and physical change.

Miss Palomine talks about the importance of reduce, reuse, recycle and gives examples of the benefits of each.

Miss Palomine sorts her garbage into recyclable and nonrecyclable items. She then explains to the student that another way we can help the Earth is to reuse, and she provides examples.

Miss Palomine explains why recycling is so important. She explains that recycling saves trees. She also talks about other ways to protect natural resources.

This Computer Ran on Algae for Six Months!

Paul Steinhardt, University of Princeton, describes his encounter with a highly sceptical geologist, demonstrating both his tenacity as well as an intriguing scientific distinction between "impossible" and "highly unlikely".

Princeton University physicist Paul Steinhardt reveals the different shades of meaning the word "impossible" has for him.

DIY induction heater that can BOIL STEEL

Can gallium destroy an engine? How long would it take? What destroys an engine faster, beans or gallium? Even now, in the age of technological enlightenment these are questions that remain unsolved by modern science.

Pouring Molten Aluminum from 50 feet! What will happen?

Just how dangerous IS molten aluminum? Will it instantly burn a hole through your arm or just slide off? Will the leidenfrost effect save the day? Will I set my kitchen on fire?

Ever heard of rocks exploding in a campfire? Can it really happen, and how dangerous is it? What happens if you spill molten metal on concrete? Today we will look at how and why concrete and rocks spall during a fire.

In this video, the teacher explores the fascinating stories behind the names of elements in the periodic table. From the origins of hydrogen and oxygen to the mythical beings and places immortalized in element names, the video uncovers...

Classification of metals according to their chemical activity

In this video, the teacher explains the concept of natural resources and how they are essential for our survival. They highlight examples such as trees, water, fruits, vegetables, oil, wood, and coal.



This video is part of the...

I've been pouring 7 different metals into a 24" tall aquarium over the weekend, and the results have been super cool! I poured metals with different melting points to see if they had any different effects when they came in...

The inside of a pumpkin has a pretty interesting geometry. I had the idea to cast the inside to see what it looks like, but the inside of the pumpkin is very fragile and the 1000 degree aluminum pretty much destroys it as soon as it...

Physics Quiz. 5 Popular questions answered. Can you solve these questions?

Why do spaceships heat up when entering earth but not when exiting?, Why can I touch aluminum foil in the oven and not get burned?, Why are we able to see...

Pouring molten aluminum into liquid nitrogen and dry ice are my most requested videos, so today you finally get to see what happens!

Explain how aluminium is recycled into new aluminium. What other products are made from aluminium?<br/>
Smelting And Refining Aluminium, Part 3

Dianna from Physics Girl walks through 5 experiments with jello, lasers, balloons, surface tension, band-aids and candles, with some bonus facts and trivia!

Researchers from Kyoto University and Japanese company Sumitomo Forestry will test the potential of using wood as a component in satellite construction <br/>

Cars that cover more distance with less fuel? Sure! If you replaced some of their steel and aluminum components and body parts with magnesium metal ones, you'd have automobiles that are as much as 50% lighter! That means they would...

How to Make an Aluminum Foundry - It was about time to make this video!<br/>