Tempered glass is stronger than regular glass and can withstand higher temperatures. It is also manufactured in a way that causes it to break into smaller pieces, which is safer than regular glass shattering into large shards. Unlike...

The term ‘sea glass’ is used to refer to the small pieces of glass that are typically found on beaches along bays, seas, and oceans, but they can also be found on the banks of large rivers. Sea glass is weathered both physically and...

Glass is made by heating sand (mostly composed of silicon dioxide) until it melts and turns into a liquid at a high temperature of around 1700° Celsius. When the molten sand is allowed to cool, it becomes an amorphous solid, featuring...

Humidity is simply a measure of how "wet" the air is in a specific place, or the amount of water vapor present in the air. However, it's important to note that humidity is an umbrella term that can refer to three different types of...

Water especially the one which flows through the pipe contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. As the glass filled with water sits out for a few hours, its temperature rises slightly (water gets warmer),...

Gain practical advice on how to enjoy premium sake with our straightforward tips from an experienced brewmaster. Perfect for students and casual enthusiasts interested in exploring traditional Japanese beverages.

A transparent material shaped to refract light, such that it converges or diverges from a single point.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

An amorphous solid is one whose atoms or molecules are not arranged in an ordered crystalline lattice.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

The traditional name for water-soluble salts and minerals that contain potassium.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

A measure of the speed of light in a medium, defined as the ratio of the speed of light in a vacuum, to its speed in the medium under consideration.
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A Twig Science
Glossary Film.
Key scientific terms defined in...

The change in direction of a waveform at the boundary between two different media, so the wave returns to the medium in which it started.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

Discover the unique properties of silicon, which is found in many things from sand to computers.



Chemistry - Periodic Table - Learni

ng Points.

Silicon is

a metalloid element.

Silicon is found in...

Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible? Physics - Waves - Learning Points. Fibre-optic cables carry information from our phones and computers as light. A...

The process of manufacturing lumps of glass into sophisticated mirror systems in the world's largest telescopes.



Physics - Universe - Learni

ng Points.

Mirrors are made from glass, which is melted and
spread...

The Sun has the potential to meet all our energy needs, if only we could harness it efficiently. Why is it so difficult to efficiently convert and store this energy? Earth Science - Earth's Resources - Learning Points. The Sun provides...

We investigate the amount of energy stored in maize snacks and peanuts by burning them. The food is placed under an aluminium beaker of water before being set alight and the temperature change of the water is recorded. We can compare the...

We use a metal box holding rods of different materials to test their ability to conduct heat. The box is filled with boiling water and a paperclip is attached to the end of each rod using petroleum jelly. As the heat moves through the...

A criminal has committed burglary and escaped the scene without leaving a fingerprint or trace of DNA. How can forensic scientists still solve the crime? Chemistry - Atoms And Bonding - Learning Points. There are many forensic techniques...

Find out why builders have to think very carefully about which materials to use when building a house.
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The world around us - Exploring materials - B
u

ilding a home />

Learning Points
All...

Meet the musicians who make music with rubbish!
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Our universe - Sharing our Earth - Keep
i

ng Earth tidy />

Learning Points
Humans have
a

n effect on the world around them.


...

Did you know that a person singing at the right frequency at a high volume can cause a glass to shatter?
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Physical processes - Sound -
C

hanging pitch />

Learning Points
At certain frequen
c

ies...

Six different objects are shown, three of them are opaque ... can you spot which ones?
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Physical processes - L
i

ght - Shadows />

Learning Points
Opaque ob
j

ects do not let any light...

Six different images are shown on screen, three of them refract light ... but which ones?
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Physical processes - Light


- White light />

Learning Points
Glass
,

diamond and water refract...

True or false ... Drinking a glass of seawater will make you ill?
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Material processes - Solids, liquids and gases - Characteri
s

tics of water />

Learning Points
Drinki
n

g sea water can cause...