What can kids do with My Science Diary?

New Observation

Record what you see, hear, smell, and wonder about in nature and everyday life.

New Experiment

Test an idea. Make a prediction. Record what actually happens. That is how science works.

Read and Learn

Explore observation tips, the scientific method, examples, tutorials, and the Rules of Science Club.

Ask Questions and Discover

Ask better questions, look more closely, and follow the evidence wherever it leads.

See the App in Action!

Real screens. Real science. Real learning.

A young explorer using a magnifying glass

From curiosity to scientific literacy.

Science does not begin with memorizing facts. It begins with noticing something, wondering why, and caring enough to find out.

My Science Diary gives kids a place to slow down, observe closely, ask better questions, record evidence, and test ideas. Two simple kinds of entries — observations and experiments — build the habits that turn everyday curiosity into scientific thinking.

The goal is not to tell kids what to discover. It is to give them the tools to start discovering for themselves.

“The only difference between screwing around and science is writing it down.”
— Adam Savage

Perfect for home, school, and nature exploration.

In the backyard, on a walk, at a museum, or whenever a question is worth chasing.

Backyard discoveries

Explore the living world right outside the door. Insects, birds, plants, fungi, weather, and stars all become things worth noticing.

School science practice

A simple tool for observations, experiments, science projects, and practicing the habits of evidence-based thinking.

Everyday observation habits

Look closely. Record details. Notice patterns, ask better questions, and make discoveries of your own.

Start your own investigation!

Download My Science Diary and start observing, asking questions, testing ideas, and writing down what you discover.

Available on iPhone, iPad, and Android.

No ads. No accounts. No data collection.

Excite! Educate! Inspire!