The course

1
Start here
One written test in three hours: 9 to 11 question clusters, 45 to 55 questions, about 60% multiple choice and 40% constructed response, 1 credit each.
Free: A tour of the Earth and Space Sciences course
2
Topic 1: Space Systems
6 of the 24 questions on each timed check
Free: The Sun, stars and the elements Evidence for the Big Bang Orbits and gravity in the solar system Moon phases, eclipses, tides and seasons 51 questions
3
Topic 2: History of Earth
3 of the 24 questions on each timed check
Plate tectonics and landforms Earth's age and early history 25 questions
4
Topic 3: Earth's Systems
6 of the 24 questions on each timed check
Earth's interior, rocks and minerals Water at work on Earth's surface The carbon cycle and life on Earth Feedbacks between Earth's systems 46 questions
5
Topic 4: Weather and Climate
3 of the 24 questions on each timed check
Free: Air masses, fronts and weather maps Energy, climate change and climate data 28 questions
6
Topic 5: Human Sustainability
5 of the 24 questions on each timed check
Resources, hazards and design choices Sustainability, simulations and solutions 34 questions
7
Topic 6: Engineering, Technology, and the Applications of Science
1 of the 24 questions on each timed check
Engineering design and trade-offs 13 questions