What are clouds made of? Weather science
Clouds in the sky. What are clouds? Clouds are made of water What are clouds? Clouds are made of drops of water or ice. When the wind picks up water from the ocean or from [...]
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08, 2017
Uranus – Planets – Astronomy – Space science
Uranus, the second to last planet out from the Sun Uranus is between Saturn and Neptune, so it's the next to the last planet away from our Sun. It takes Uranus 84 years to [...]
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08, 2017
What are stars made of? Astronomy, physics
What are stars made of? This is just one of the stars: the sun from space The first stars The earliest stars probably formed only a few hundred thousand years [...]
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08, 2017
Momentum – Physics
This truck has a lot of mass, and it's going fast, so it has a lot of momentum Momentum describes how strong a moving thing is. Things that aren't moving [...]
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08, 2017
What is mass? Physics
This truck has a lot of mass. Mass is a measure of the number of atoms in an object combined with the density of those atoms. Usually people measure mass in kilograms. You can tell [...]
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08, 2017
Mars, the red planet – Astronomy
Mars, the way the planet looks from space Which planet is Mars? The closest planet to Earth is Mars, and Mars is also the planet that seems most likely to have life on [...]
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08, 2017
Earthquakes and algae – the planet Earth
Molten lava: the beginnings of planet Earth What is the Earth made of? Most of the molecules that smashed together to make the Earth were iron. The smashing together released a [...]
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08, 2017
Rainbows and water – a sun project
Sunshine through the clouds and Earth's atmosphere You can see that the sunlight that reaches the Earth travels at different wavelengths. On a sunny day, put a full glass of water (a real glass glass) in [...]
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08, 2017
Eclipse of the sun project – Astronomy
(not to scale)Thanks to The Fraudulent Volcano blog To see how an eclipse happens, get a flashlight or a candle (to be the sun). Get an orange (to be the Earth). And get a ball about [...]
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08, 2017
Big bang – Space science – Physics
Inside stars (like our Sun) there are fusion reactions. Stars got started after the Big Bang. What was the Big Bang? The Big Bang was the very beginning of our [...]
