Tools: Weather Instruments
Picture Collections
15 images of various instruments such as rain gauges, wind vanes and weather satellites used to inform us about the weather
Understanding the Nitrogen Cycle
STEM Explained
What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?
Weather: Cirrus Clouds
Picture Collections
5 images of cirrus clouds that are wispy or feather-like clouds at high level, made of ice crystals and may indicate an approaching storm
Weather: Conditions
Picture Collections
11 images that illustrate some daily weather conditions such as cold, hot and windy
The Environmental Impact of Wasted Food
STEM Explained
One-third of all food produced is wasted. Learn about the environmental consequences of food waste, and what you can do about it.
The Water Cycle
Picture Collections
1 diagram illustrating the water cycle
Sun: Sunrise
Picture Collections
5 images of scenes showing various sunrises
Reaching the Arctic
STEM Explained
How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?
Ringwoodite and the Deep Water Cycle
STEM Explained
The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.
Is There Too Much Carbon Dioxide in Your Classroom?
STEM Explained
Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?
Humidity on Earth and on the ISS
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
How Do Introduced Species Affect Ecosystems and the Economy?
STEM Explained
When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
Green Walls
STEM Explained
Green walls use plant processes to improve air quality in buildings.