Let’s go sub-zero with fascinating fast facts about liquid nitrogen, a deep dive into how people use liquid nitrogen, a question about the safety of liquid nitrogen, some ideas about how cryogenic liquids are made, and a chilling experiment for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:53 Uses for liquid nitrogen

04:25 How dangerous is liquid nitrogen?

06:33 Making liquid nitrogen, the temperatures of other cryogenic liquids

08:47 Frozen lettuce activity

You will need two fresh lettuce leaves, a fridge and freezer, and a plate.

Be drawn in with fascinating fast facts about magnets, a deep dive into what makes a magnet magnetic, a question about how animals use magnetic fields to navigate, some ideas about the many uses for magnets, and a very attractive experiment for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:37 Which metals are attracted to magnets?

03:55 How do animals navigate using the Earth’s magnetic field?

05:25 Many uses of magnets

07:04 Magnetic wire activity

You will need a magnet and two paperclips.

Get ready for some super cool science with fascinating frosty facts about ice, a deep dive into the Earth’s coldest places, a question about how fish survive swimming in sub-zero seas, some history of refrigeration, and a salty ice experiment for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:56 The coldest places on Earth

05:05 Why don’t fish freeze in sub-zero seas?

07:28 History of refrigeration

09:11 Salty ice experiment

You will need a freezer, a paper or plastic cup filled with water, small plate, rock salt or table salt, and some food colouring in a dropper bottle.

It’s slippery slime time with fascinating fast facts about liquids and viscosity, a deep dive into slimy molecules, a question about animal slime, an exploration of plant slime and slime moulds, and a slimy substance for you to make yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:30 Chemistry of slime recipes

04:41 Slimy animals

06:52 Plant slime and slime moulds

09:22 Try this – cornflour slime

You will need cornflour (made from corn, not wheat), a bowl, a large spoon, and a small jug of water. Food colouring optional.

Explore the freaky force of friction, with fascinating friction facts, a deep dive into road safety, an exploration of sticky gecko feet, some history of the science of friction, and a friction-filled game to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:10 Friction and road safety

03:43 How do animals climb walls without falling down?

05:12 How do we know what we know about friction?

07:13 Try this – tug of war, with and without friction

You will need between 1 and 3 friends to play tug-of-war in teams of 1 or 2 players; a piece of rope, about 3 metres long (plastic-coated clothesline cord works really well); and some liquid hand soap.

Sparks will fly with fascinating fast facts about electric charge, a deep dive into lightning, a question about the dangers of electricity, some ideas about how electricity is generated, and a truly shocking experiment for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:07 Lightning

03:46 How dangerous is electricity?

05:21 Electricity generators and renewable energy

07:37 Try this – making things move with static electricity, animals with an electrical sense

You will need some paper, torn into small pieces, and a balloon.

What is artificial intelligence? Explore the different types of artificial intelligence, take a deep dive into self-driving cars, find out if A.I. robots are taking over the world, and play noughts and crosses against an algorithm that will beat you every time.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:13 Familiar A.I. and self-driving cars

05:42 Will A.I. robots one day take over the world?

07:45 The human brain compared to A.I.

09:27 Try this – play noughts and crosses against an algorithm

You will need a piece of paper and a pencil.

Explore the freaky force of gravity, with lots of groovy gravity facts, a deep dive into centre of gravity and astronomical orbits, a question about black holes, the past, present, and future of gravitational science, and a gravity-defying trick for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:45 Gravity and astronomical orbits

05:52 What would happen if I fell into a black hole?

07:10 How do we know what we know about the force of gravity?

08:39 Try this – make a gravity-defying box

You will need modelling clay or playdough and an empty cardboard milk carton, or any other long cardboard box, for example a biscuit box.

Explore the astounding world of sound, with lots of fascinating sound science facts, a deep dive into an animal that uses sound to find its friends, an exploration of the human ear, some of the history of sound science, and a few sound science investigations for you to try yourself at home.

Written, presented, and produced by Jenny Lynch.

https://www.creativescience.com.au

Episode content:

00:00 Introduction and fast facts

02:25 Frog sounds

04:51 How does my ear work?

07:27 How do we know what we know about sound?

09:20 Try this – sound waves travelling through a fork and a piece of string

You will need a metal spoon and a piece of string about 30 centimetres long.