A unique combination of sunspots, solar flares and magnetic fields combine to create a visual spectacle on Earth. But what are the forces at work? Physics - Our Solar System - Learning Points. Natural light displays known as Aurora...

The atmospheric composition of the sky affects the colours we see. From blue horizons to red sunsets, why do we see colours the way we do? Physics - Our Solar System - Learning Points. Light is made up of different wavelengths. Our...

Where does Venus fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Venus is Earth's closest neighbour. Venus is the hottest planet in our Solar System. Venus spins in the opposite...

Where does Earth fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Earth is the third planet from the Sun. 71% of Earth is covered in liquid water, which is vital for life. Earth...

Hydrogen is a highly flammable element, with the potential to become a non-polluting alternative to gasoline. Chemistry - Periodic Table - Learning Points. Hydrogen is the element with the lowest density. Hydrogen is highly flammable and...

The Sun is dying, getting hotter as it goes. Eventually it will shrink into a black dwarf, but life will have vanished long before.



Physics - Our Solar System - Learni

ng Points.

The Sun is 5 billion years...

Where does Saturn fit into the Solar System and what makes this planet unique?



Physics - Our Solar System - Learni

ng Points.

Saturn is the 6th

planet from the Sun.

Saturn has such a low density...

Discover how mercury travels through food chains, and how its concentration multiplies along the way.
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Biology - Ecosystems - L
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rning Points.
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Open a discussion on what has...

Where does Mars fit into the Solar System and what makes this planet unique?



Physics - Our Solar System - Learni

ng Points.

Mars is the 4th
planet from the Sun.
Olympus Mons on Mars is the tallest...

Bacteria from a sneeze was inadvertently sent to the Moon. When it returned to Earth, it came back to life. What does this mean for the possibility of life in the Universe?



Physics - Universe - Learni

ng...

Where does Neptune fit into the Solar System and what makes this planet unique?



Physics - Our Solar System - Learni

ng Points.

Neptune is the 8th
planet from the Sun.
It takes Neptune 165 Eart
h years to...

How does a tall tree draw water from its roots to its leaves? And how does food made in leaves reach the rest of a plant? Discover how plants transport resources via the xylem and phloem. Biology - Plants - Learning Points. Transpiration...

Artificial trees: what are they? How do they work? And how could they help to prevent climate change in the future? Human Geography - A Changing World - Learning Points. The rate of climate change is increasing because of the increasing...

The collision of comet Shoemaker-Levy 9 with Jupiter in 1993 was the first collision of its kind to be witnessed by man. Physics - Universe - Learning Points. The comet Shoemaker-Levy 9 was discovered orbiting Jupiter in 1993....

From the Russians' attempt to colonise the Moon to eccentric plans for Mars. Physics - Universe - Learning Points. The longest anyone has ever stayed on the Moon is 75 hours. Helium-3 is rare on Earth but can be processed from Moon soil,...

The enormous challenge of building a probe capable of travelling over 1 billion kilometres to reach Saturn's moon, Titan. Physics - Universe - Learning Points. Huygens probe was designed by the European Space Agency at a cost of £400...

The first probe to successfully land on another planet arrived on Venus, where it found one of the most hostile atmospheres known to man. Physics - Our Solar System - Learning Points. In 1971, the Russians succeeded in landing the Venera...

Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....

Nitrogen is integral to the production of protein and DNA. Discover how it is present on Earth in a constant cycle, and how nitrogen from the air enters the food chain. Biology - Ecosystems - Learning Points. The nitrogen cycle describes...

When a volcano in Iceland erupted in 2010, hundreds of planes were grounded by volcanic ash. Why? Past experience had shown just how dangerous flying in an ash cloud can be. Earth Science - Geology - Learning Points. In March 2010, the...

Even though the planet is warming, the amount of sunlight reaching the Earth's surface is decreasing. What is causing this, and what effect does it have? Earth Science - Human Impacts - Learning Points. Global dimming is the reduction in...

All water on planet Earth is constantly cycled from the atmosphere, into reservoirs, and through plants and animals. The Earth's water has completed this cycle around 8 million times. Earth Science - Weather - Learning Points. Water on...

An introduction to the Earth's moon. What makes a moon a moon? Physics - Our Solar System - Learning Points. A moon is a natural satellite. Our Moon orbits the Earth roughly every 28 days. The Moon's glow is caused by the reflection of...

The Taiga forest is the largest land ecosystem on Earth, stretching from Alaska to Japan. Explore the Taiga and discover the plant and animal life that survives these freezing conditions. Biology - Ecosystems - Learning Points. The Taiga...