The Drakensberg range and the region’s ocean currents contribute to the varied climates found across South Africa. The interior is temperate, with sunny days and cool nights. A subtropical band extends along the east coast, while a much...

This video explores why winter vegetables like brassicas and root crops taste sweeter during the colder months. It discusses the natural processes that lead to increased sugar content in these vegetables as a protection against freezing...

Howcast - Freezing rain can wreak havoc for days. Make sure your loved ones are protected.

Howcast - Learn how to demonstrate the principles of insulation using Crisco with the instructions in this Howcast science project video.

Howcast - The weather's getting colder and the frost is coming, but you're not ready to say goodbye to your landscape. Here's how to protect it.

Howcast - Baby your plants and flowers through a cold spell and they'll reward you by continuing to bring beauty and joy to your world.

DIY SCI host Steve Spangler demonstrates that when a water bottle reaches the right temperature, you can watch it freeze right before your eyes!

It's that time of the year again...the sun is shining, the temperatures are soaring, and animals (and humans) alike are looking for any excuse to cool down. The keepers at Maryland Zoo have come up with some effective and innovative ways...

In this video, I share some top tips on how to speak English confidently. I look at why many English learners freeze up during conversations and provide practical solutions to overcome this barrier. Whether you've been learning English...

A credit freeze can help protect yourself and your family from the devastating effects identity theft. Here is how to freeze your credit and your child's credit on Experian, TransUnion and Equifax.

Ice flower is a nickname for a miniature sculpture of ice that forms on only a few kinds of plants, only when the air temperature is below freezing for much of the night, with calm wind, clear sky, and soil that is moist and not frozen....

This video explains the formation of thunderstorms and how lightning and thunder are created. It describes how water vapor in the sky condenses into clouds, and when these clouds collide, electrical charges are produced. When these...

Ice Swimming:Brave swimmers plunge into the freezing waters of a lake in the city, measuring at a bone-chilling 6 degrees Celsius, showcasing extreme winter swimming.

Its freezing cold outside, and you decide to take a cup of boiling water outside and throw it into the air. Instead of falling to the ground and searing a hole in the already-fallen snow& Boom! It magically turns into snow! However, have...

The clarity of ice cubes is determined by the temperature of the water used to make them. Warmer water contains more impurities, which are released when the water is cooled and frozen. Ice cubes made from distilled or boiled water are...

What are the most extreme temperatures ever recorded? Where and how have they been achieved?
<

br/>

Physics - Energy And Radioactivity - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what...

Water can either be a solid, a liquid or a gas. How does matter change state? Chemistry - Atoms And Bonding - Learning Points. Ice, liquid water and steam all consist of exactly the same molecules. Evaporation occurs when the temperature...

Snow forms in the atmosphere as a result of water molecules attaching themselves to nuclei bacteria. But scientists have found ways to manipulate the freezing process of water and the production of these nuclei to create snow...

Salt is routinely used to melt snow and ice on winter roads. But what is happening at the molecular level to cause this helpful change of state? Chemistry - Atoms And Bonding - Learning Points. When salt is added to water it lowers the...

Six processes are shown on screen ... can you spot the ones that involve a change of state?
<

br/>

Material processes - Solids, liquids and gases - Ch
a

nges of state />

Learning Points
The state of...

We use water every day ... but what do you really know about it?
<

br/>

Material processes - Solids, liquids and gases - Characteri
s

tics of water />

Learning Points
Water is the only...

Why do water drops form on cold windows and why does water freeze?
<

br/>

Material processes - Solids, liquids and gases - Ch
a

nges of state />

Learning Points
Condensation is the c
h

ange of...

Not all liquids act the same ... some can behave very strangely indeed!
<

br/>

Material processes - Solids, liquids and g
a

ses - Liquids />

Learning Points

L

iquids do not have a fixed shape....

What are the properties of a liquid?
<

br/>

Material processes - Solids, liquids and g
a

ses - Liquids />

Learning Points

L

iquids do not have a fixed shape.


The sp
e

ed at...