When carbon dioxide in the atmosphere dissolves into raindrops, it causes the rain to become a natural acid. It can dissolve and erode rocks: it’s acid rain. Here’s an experiment to see how chemical erosion works.

Do you feel like a warm, relaxing bath with soothing fragrances? Try this fun experiment and learn the science behind bath salts.

Join Bill as he explores the fascinating, spooky, bizarre world of caves!

Link to video: https://www.youtube.com/watch?v=iXcujmx6P98

Dr Michelle Dickinson will cover in this episode the concepts around climate change, how we measure it and how it's different than just weather, carry out a hands-on experiment and talk about ice cores with Tim Naish from the Victoria University of Wellington.

What effect does salt have on the temperature of ice? This lesson plan and activity will let students experiment for themselves. What outcomes and reasoning will they come up with?

Explore the topic of space in this fun, hands-on STEM lesson. Available free for teachers, it includes curriculum-matched teaching notes.

Space out with Bill Nye to learn more about comets and meteors.

Link to video: https://www.schooltube.com/media/Bill_Nye_comets_and_meteors/1_b5vy1hun

Connected promotes scientific, technological, and mathematical literacy so that students can engage in a critical and informed manner with real-life science- and technology- related issues and authentic, context-based mathematical explorations. Connected is provided to all primary schools.

With this experiment, you can study ocean currents in the safety of your own home-no submarine needed.

Don’t just go with the flow. Settle down on the crust.

Link to video: https://www.youtube.com/watch?v=-vzbY_y02A8

Suzy has to dig deep to find the answer

Three fun activities involving eggs.

Talking about renewable energy, Dr Michelle Dickinson will cover the science of how to make electricity and carry out a hands-on experiment while talking about solar cells with Professor Justin Hodgkiss from The MacDiarmid Institute.

Erosion is going on all day, all the time. It’s happening right now!

Link to video: https://www.youtube.com/watch?v=HkralMlDmSA

The surface of the Earth is always changing. Mountains get made. But given enough time, entire mountains get washed away by what we call “erosion”.

Eggs sink in normal water so what can you do to make them float? Adding salt can give some surprising results.

Here’s hoping you’ll dig Bill Nye the Science Guy in the “Fossils” episode.

Link for video: https://www.youtube.com/watch?v=0d-cXkkPecE

Kids will love learning about crystals while they enjoy a range of great crystal activities that include making their own, crystal panning and much more.

Grow your own collection of beautiful salt crystals and examine what they look like under the sharp focus of a microscope.

We know sea water is salty - with this easy experiment you can find out just how salty it is where you live!

Did you know you can make rocks fizz and bubble? Try this easy experiment at home!

Comets are spectacular objects that fly through space at great speeds. Simulate the path they fly and the way they react to the extreme conditions of space in this fun lesson plan.

Make a crystal snowflake using borax and a few other easy too find items. Enjoy the experiment, learn about crystals and keep your finished snowflake as a beautiful decoration.

As we celebrate Matariki and look to the night sky it's probably the perfect time to ask the question that has been challenging star gazers for years... Why does the moon change shape?