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Backgrounders

Neon sign depicting the golden spiral mounted on a dark background.

Fibonacci and Golden Ratio

Learn about the Fibonacci sequence and its “golden” relationship to shapes in the world of beauty and nature.

A measuring tape wrapped around a tomato

Precision And Accuracy

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

Earth with thermometer

Let's Talk Climate Change: Resources

Discover a set of resources to give you background knowledge on climate change.

Vegetables and fruits on display

Plant Pigments

Why are there so many colours of plants? Learn about plant pigments and their role in plants.

Sunrise over a farm field with wind turbines

Earth Month: Careers

Discover some of the many STEM-focused careers dealing with the environment and climate change.

Red-coloured tray of seedlings in soil

Sample Size And Reproducibility

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

Green leaf inside

Earth Month: Green Energy

An overview of environmentally-friendly ways to generate electricity and power our vehicles

Pepper plants on the ISS

Tropisms in Plants

Learn about the different ways that plants move in response to their environments.

Flood water with traffic sign submerged.

Earth Month: Climate Change

Discover the probable causes, likely effects, and potential ways to mitigate climate change.

Seedling with sunlight

Light & Plants

Learn about the process of photosynthesis and how it is affected by light levels.

Three types of tomatoes

Identifying Variables

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

Frothing water

Earth Month: Water

Discover the issues surrounding water today, and learn what you can do to help.

Two girls exploring plant life in the woods

Developing a Hypothesis

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

Plant Cells with Visible Chloroplasts

Specialized Cells of the Leaf System

Learn about the structure and function of the cells in leaves.

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.