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Science Processes

Dig into science processes with Tomatosphere.

A measuring tape wrapped around a tomato

Precision and Accuracy


Learn about precision and accuracy and why they are important in science.

Tomato plants grow in a greenhouse

Bias and Sources of Error


Learn how scientists identify and minimize bias and sources of error to produce accurate results.

Three types of tomatoes

Identifying Variables


Learn how scientists define independent, dependent and controlled variables in experimental inquiry.


Seedlings in various stages of growth

Setting Up a Fair Test


Learn how scientists set up fair tests using comparison and variables.

Red-coloured tray of seedlings in soil

Sample Size And Reproducibility


Learn how scientists use sample size and reproducibility to develop experiments.

Two girls exploring plant life in the woods

Developing a Hypothesis


Learn what makes a good hypothesis, and how to develop one.


A tomato labelled with a question mark

Asking Testable Questions


Learn how scientists come up with experimental or testable questions.