Scientist Nina and her young experimenters discover how substances change and react. They look at where sand comes from and why it doesn't dissolve like sugar or salt. Show more

Children's science show. Scientist Nina and her young experimenters investigate what fire is, discovering that it gives out heat and light. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why people use soap, discovering that grease doesn't wash off easily. Show more

Scientist Nina and her young experimenters discover how substances change and react. Here, they explain how things which look the same size can weigh different amounts. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate what causes grass stains, finding that all plants have pigments. Show more

Children's science programme. Nina investigates why the sea is so salty with the help of Bud, her taste neuron. Show more

Fun science for preschoolers. Experimenters visit Nina in her lab and use their senses to decide that jelly isn't a liquid or a solid - it's something in between. Show more

Fun pre-school science. Nina investigates why the mirror steams up when we have a bath. She finds out that liquid water can turn into steam when it's heated up. Show more

Scientist Nina and her young experimenters discover how substances change and react. Nina investigates why it is important to drink milk. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why sugar is bad for teeth, looking at how plaque forms. Show more

Scientist Nina and her young experimenters discover how substances change and react. Nina investigates what makes glow stars glow. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate expanding gases and look at popcorn. Show more

Scientist Nina and her young Experimenters discover how substances change and react. They investigate how smells reach people's noses through the air. Show more

Scientist Nina and her young experimenters discover the amazing ways that things can change and react in the everyday world. Nina investigates why some food is noisy. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why the lid on a soup pan rattles when the pan is heated. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why toast goes black when it burns. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why chocolate melts in hands and watch metal being melted. Show more

Scientist Nina and her young Experimenters discover the ways that things can change and react in our everyday world. Nina investigates why flowers smell so nice. Show more

Scientist Nina and her young experimenters discover how substances change and react. They investigate why people get hard and gritty sleepy dust in their eyes. Show more

Scientist Nina and her young experimenters investigate the human body. Experimenters Eilidh and Travis visit Nina in her lab and discover amazing facts about hearts. Show more