A clinometer (also known as a declinometer or inclinometer) is used to measure the steepness of a slope, and can be used to work out the heights of tall things,…
Whether they are in a bubble bath or drifting on the wind, bubbles are beautiful and fun things. Try making your own to examine the amazing properties of the simple…
‘Minibeast’ is the collective name for many small animals, including spiders, slugs and snails, worms, insects, centipedes and many other things. Minibeasts are also called invertebrates, which means they do…
Fish and sea animals live in a very different environment to ours, and come in all shapes and sizes, from tiny to enormous. Fun Fish Facts Fish have been around…
Bacteria and viruses are often confused with each other, but they are very different. Bacteria are usually harmless and viruses are usually harmful, though there are bad bacteria and useful…
Warm air is less dense than cold air, and so as air is warmed by the sun it rises (see ‘Warm and Cold: Expanding Air’ and ‘Floating and Sinking: Looking…
Fungi (singular is ‘fungus’) are not plants or animals but are in a separate kingdom. Fungi Facts Mushrooms are the fruit of some kinds of fungi – the rest of…
Cooking with the sun (solar cooking) provides free, safe, clean heat energy that preserves nutrients in food. Cooking with the Sun On a clear, bright, sunny day, line a mixing…
Maths can’t really reveal the secret of telepathy (reading people’s minds), but some clever maths tricks make it seem like it is possible. Some of these will need a calculator….
