Grade 5

As interesting as the Sun can be, it is very dangerous to look directly at the sun, as it...

Although the earth seems to be a solid mass, it actually gets distorted slightly due to the centrifugal force...

Have you ever wondered what causes the stars up in the sky to 'twinkle' when you look at them?...

A 'shadow clock' consists of a straight base with a raised crosspiece at one end. Make your own 'shadow...

Measure the viscosity of various liquids by calculating the average time a round solid object takes to fall through...

People living in very cold climates depend on fatty foods for energy, but fatty foods are also the reason...

Scents are almost certain to bring back memories for nearly anyone. Just think of the fragrance of a...

Amaze your friends with your stunning candle act. You can light the candle without touching the wick in the...

Various colours of ink can be mixed together to form new ink colours and this is often used to...

Not all liquids can be mixed together to form one new liquid substance. If more than one liquid cannot...