Easy science experiments for Halloween

Explore these lessons plans for easy Halloween science experiments using potions, pumpkins, and trick or treat candy.

Easy science experiments for Halloween

Try these Halloween-themed science lessons using hands-on experiments to build skills while having fun.

You can build a rich programme of learning with all our Halloween resources in our Festivals lesson plans and activities guide.

In this article you can:

:: explore science experiments that are simple to set up using basic materials

:: learn about bases and acids, combining the two to make a fizz

:: investigate what’s inside a pumpkin

:: try a variety of experiments using your trick or treating candy

The Super Fun, Not Scary Halloween book

Save time and teach better by using The Super Fun, Not Scary, Halloween book.

You’ll get a complete set of lesson plans to learn about this festival and a collection of activities, arts, and crafts all planned for you: instant download, printables included, no prep needed, and all ad free. 

See more details of the Super Fun, Not Scary, Halloween book here.

Ready-made Halloween Unit

If you’re a member of our Play Academy you can download a ready-made five day Halloween Unit and you’ll be ready to lead a week of fun and educational Halloween activities with your children.

This Unit is part of our Festivals specialist curriculum pathway, and is a part of a set of ready-made units you can use to teach your children about the festivals of the world all through the year. Based on the teaching philosophy of hands-on learning, the Play Academy festivals curriculum is engaging, effective and loved by children.

See more details of the Play Academy and choose your first Unit here.

Science experiments for Halloween

Pumpkin fizzy science experiment for Halloween
In this Halloween science experiment we’re combining two simple ingredients to make a chemical reaction full of fizz. This is a great sensory play activity with an added fizzy science lesson.

What’s inside a pumpkin? investigation
Use this autumn and halloween science lesson to investigate what’s inside a pumpkin.

8 easy science experiments using Halloween candy
These easy science experiments using candy are perfect for the day after Halloween trick or treating. Try one! 

More Halloween activities for children

For more great ideas to learn about and celebrate Halloween with your children, including pumpkin games and science experiments, see our full index of Halloween crafts and activities for children.