sunset
Blue Sky – Red Sunset
Tweet Whenever it’s not completely filled with clouds, we can see that the sky is blue. As our world turns the sun rises and sets, and as it sets it looks red. These two observations are related. You will need: A torch a transparent container with flat parallel sides (a 10-litre [2½- gallon] aquarium is [...]
Light Mixing!
Tweet Can you make the colour ‘yellow’ with only red, green, and blue as your colour palette? If you’re a scientist, it’s not a problem. But if you’re an artist, you’re in trouble already. The key is that we would be mixing light, not paint. If you’re thinking yellow should be a primary colour – [...]
Sunrise, Sunset
Tweet This activity is another one which has real visual appeal as well as demonstrating some fascinating science. Everyone will be amazed to see the different colours produced by something as simple as torchlight shining through a glass of milky water. You Will Need A clear drinking glass Water Teaspoon Torch White card. Instructions Half fill a [...]
Dangerous Experiment!
Tweet This solar energy education experiment harnesses the power of the sun to allow children to create a work of art. This also shows how much power is contained in the relatively small amount of sunlight hitting the magnifying glass, enough to set fire to wood. There is an element of danger in this operation, [...]
Glassy-Rainbow
Tweet Glassy Rainbows You Will Need A glass of water (about three quarters full) Small pocket size mirror White paper or card A sunny day Instructions Take the glass of water and paper to a part of the room with sunlight (near a window is good). Hold the glass of water (being careful not [...]
Silly Seasons
Tweet Every spot on the Earth has seasons. Some places have two, while others experience four. Seasons govern much of our lives, including what we wear, naturally, or what plants we can grow. This experiment examines the major reason for the seasons: the tilt in the Earth’s axis as we travel around the sun. You [...]
Blue Sky – Red Sunset
Tweet Whenever it’s not completely filled with clouds, we can see that the sky is blue. As our world turns the sun rises and sets, and as it sets, it looks red. These two observations are related, as this experiment will show. You will need: A torch A transparent container with flat parallel sides [...]