Discover how a process known as desalination is used to extract salt from seawater on a large scale.
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Material processes - Separating mixtures - Separation
b

y evaporation />

Learning Points
...

Four processes are shown on screen, but which one is not a part of the water cycle?
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Physical processes - The Earth and beyond - Wat
e

r and weather />

Learning Points
Evaporation, condensation...

Why do water drops form on cold windows and why does water freeze?
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Material processes - Solids, liquids and gases - Ch
a

nges of state />

Learning Points
Condensation is the c
h

ange of...

Understand how meteorologists can predict the weather.
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Physical processes -The Earth and beyond - Wat
e

r and weather />

Learning Points
Meteorologists try to


predict, or forecast the...

Learn all about the Earth's water cycle.
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Physical processes -The Earth and beyond - Wat
e

r and weather />

Learning Points
Water constantly recycles itself throug
h

a process called...

Not all liquids act the same ... some can behave very strangely indeed!
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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?
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Material processes - Solids, liquids and g
a

ses - Liquids />

Learning Points

L

iquids do not have a fixed shape.


The sp
e

ed at...

Find out how we extract salt from seawater on an industrial scale.
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Material processes - Separating mixtures - Separation
b

y evaporation />

Learning Points
A solution is formed when a...

Learn how to find out the difference between tap water and spring water.
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Material processes - Separating mixtures - Separation
b

y evaporation />

Learning Points
Evaporation c
a

n be used to...

Materials change state all the time, but how and why?
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Material processes - Solids, liquids and gases - Ch
a

nges of state />

Learning Points
Melting is the cha
n

ge of state from solid to...

En la Tierra, los materiales pueden existir como sólidos, líquidos o gases y cambiar de un estado a otro al calentarse o enfriarse, alterando sus propiedades. Procesos como evaporación, condensación, fusión y sublimación describen...

यह वीडियो पदार्थ की तीन मुख्य अवस्थाओं (ठोस, तरल, गैस) और उनके बीच के संक्रमण के बारे में है। गर्मी के प्रभाव से, ठोस बर्फ पिघलकर तरल पानी में बदल जाती है, और जब तरल को गर्म किया जाता है, तो वह गैस में परिवर्तित हो जाता है। वीडियो...

Surprisingly, despite the sun's heat, lakes don't visibly evaporate like a glass of water. There are two main reasons for this: first, the amount of water present in lakes and large water bodies is huge (at least compared to what you...

Water evaporates at room temperature because the molecules at the top of the liquid have less intermolecular attraction than those within the bulk. When the top layer is exposed to sunlight, some molecules gain enough kinetic energy to...

Embark on a journey through the water cycle, tracing the path of a single drop of water as it transitions from liquid to vapor and back again. Learn about the processes of evaporation, condensation, and precipitation, and discover how...

Discover the essential role of water in our lives and ecosystems through the fascinating journey of the water cycle. Learn about the different ways we use water daily and how it sustains life on Earth. Dive into concepts like weather,...

Journey through the fascinating states of matter—solid, liquid, and gas—and discover how atoms and molecules behave in each. This video unravels the atomic-level interactions that define each state, from the tight bonds of solids to...

Dive into the dynamic world of water as it journeys through its various states—solid, liquid, and gas. This video explores the fascinating process of physical changes in water, from freezing into ice to evaporating into steam. Discover...

Dr. Forrester explains the uses for the mineral salt.

Dr. Forrester explains evaporation and condensation.

Dr. Forrester explains how most of our energy is generated by the sun in one way or another.

Dr. Forrester explains the water cycle and the formation of clouds.

Dr. Forrester teaches about the different types of precipitation.

In this segment, students delve into the water cycle, exploring evaporation, condensation, precipitation, and collection. Through vivid descriptions and relatable analogies, viewers understand how water transforms from liquid to vapor...