Time and Space
Seasons and Hemispheres
Plate Tectonics
Earth’s Layers and Spheres
Careers & Connections
100

The Earth’s orbit around the Sun takes about this long.

What is 365 ¼ days (1 year)?

100

The Earth’s tilt causes this repeating change in weather patterns.

What are the seasons?

100

Alfred Wegener proposed this theory in 1915.

What is continental drift?

100

This layer of the Earth is as thin as the skin of an apple compared to the whole planet.

What is the crust?

100

This geography-related career involves directing aircraft safely in real time.

What is an air traffic controller?

200

The Earth spins on an imaginary line called this.

What is an axis?

200

When it’s summer in the Northern Hemisphere, it’s this season in the Southern Hemisphere.

What is winter?

200

The supercontinent that once existed 300 million years ago was called this.

What is Pangaea?

200

The Earth’s four spheres are the atmosphere, hydrosphere, lithosphere, and this.

What is the biosphere?

200

This scientist studies volcanoes and how they erupt.

What is a volcanologist?

300

The Moon takes roughly this many days to orbit the Earth.

What is 27 days?

300

Closer to the equator, there are usually only these two seasons.

What are the wet season and the dry season?

300

Canadian scientist J. Tuzo Wilson helped prove Wegener’s ideas with this modern theory.

What is plate tectonics?

300

The sphere that includes all water on Earth is called this.

What is the hydrosphere?

300

Oil found in Alberta is evidence that this province was once covered by what?

What is an ocean (or seabed)?

400

These two inventions led to the creation of time zones.

What are the railways and the telegraph?

400

In Canada, the Sun’s rays strike us more directly during this season.

What is summer?

400

When two plates collide and one sinks below the other, this zone forms.

What is a subduction zone (convergent boundary)?

400

Give one example of how two spheres interact in an ecosystem.

What is rain (hydrosphere) watering plants (biosphere)?
(Accept any correct example.)

400

Earthquakes most often occur along these boundaries.

What are transform (or conservative) boundaries?

500

The first country to adopt a time zone, centered at Greenwich, is this.

What is the United Kingdom (Greenwich Mean Time)?

500

The Köppen Classification System divides Earth into zones based on these two factors.

What are temperature and vegetation?

500

Name the four main types of plate boundaries.

What are divergent, convergent, collision, and transform boundaries?

500

The order of Earth’s layers from surface to center.

What is crust → mantle → outer core → inner core?

500

Explain one piece of evidence Wegener used to support continental drift.

What is fossil similarity, rock match across oceans, or glacial evidence in warm regions?

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