Do you know that adding carbon dioxide to water makes it more acidic? We used red cabbage indicator to test the pH of tap water and carbonated water from a Sodastream. The tap water was slightly ...

If you're feeling the heat this week, a DIY sprinkler is a fun way to cool down. All you need is a plastic bottle and some water. This fun backyard ...

If you’re feeling the heat this week, a DIY sprinkler is a fun way to cool down. All you need is a plastic bottle and some water. This fun backyard science activity is a fantastic demonstration of ...

Welcome to a very eggy week on Science Sparks! Shrinking eggs is the first of 3 egg based experiments, so if you like this one, pop back later in the week to see what else we have been up to! This ...

These Key Stage 2 science experiments are great for school or home and perfect to sit alongside science in the classroom for Key Stage 2 in the UK or for children aged between around 7-11 who love ...

Why does food rot? Have you ever noticed that if you leave an apple (or any fruit ) for too long, it starts to rot or decay? This can lead to significant food waste, so it’s important to understand ...

Cut the top off the bottle and place it upside down inside the main body. Get an adult to help, as the edges might be sharp. Place a ruler on the side of the bottle and mark in cm up the side. Bury ...

Is it easier to knock down a smaller or larger stack of cups? What will happen if you add more lollypop sticks to the central core of the catapult? Do the pom poms travel further than the table tennis ...

Digestion is the process by which large, insoluble molecules of food are broken down into smaller, soluble molecules that the body can use. Digestion starts in the mouth, where food is broken into ...

A colour wheel is a great visual way to learn about primary and secondary colours and fun science crafts. Cut out two circles of white cardboard, one slightly bigger than the other. Carefully cut a ...

Before we had clocks and watches, people used sundials to mark the passing of time. A sundial measures time by the sun’s position and usually has markings for each hour of sunlight. Sundials have ...

Have you ever wondered why penguins don’t freeze to death? Penguins have to cope with an immensely harsh environment with extremely cold temperatures and added wind chill. Animals that live in cold ...