Dinosaur bones can take thousands or millions of years to fossilize. In this time, the bones are replaced with minerals and the skeleton turns to stone. In this video, Becky shows how you can do a quick model of fossilization using a sponge that only takes a week.

Germs are everywhere. Handwashing is one of the easiest and most effective ways to keep ourselves safe from them. In this video, Becky and Don show you a simple experiment to model how germs move from place to place and how to test your handwashing skills.

Crystals come in all shapes and sizes. Often, they grow over thousands of years inside the Earth. In this video, Becky shows you how to grow small crystals at home with borax.

Home gardening doesn’t have to be difficult. With the right tools and materials, it can be fun and easy. In this video, Becky shows how you can reuse old tights or stockings to grow a grass head plant buddy.

Gravity makes a lot of things happen: falling, planetary orbits, and the fact that we don’t go flying off into space. You can use gravity to make a fun craft. In this video, Becky shows you how to build a gravity-powered roller coaster for marbles.

Under our feet the crust of the Earth is made of layers, each laid down over time one on top of the other. Geologists and paleontologists can use these layers to determine how old something is. In this video, Becky and Don show you how to make cupcakes that let you explore geology and make for a ...

We animals are made of trillions of cells, and those cells are made of even smaller pieces called organelles. Each organelle has a purpose and a job. In this video, Becky and Don show you how to make an edible cell model cookie to help you understand those different organelles.

Have you ever wanted to send a secret message? There are lots of ways to make invisible ink. In this video, Becky and Don show you how to write and reveal secrets with ink made with some kitchen chemistry.

All living things have DNA, and it is normally far too small to see. In this video, Don and Becky show how you can use some common household items to extract enough strawberry DNA to see without a microscope.

Pollination happens as bees and other insects move from flower to flower. It’s important for plants, as it allows them to reproduce. In this video, Becky and Don show you how to do some pretend pollination with a delicious snack.