Many people celebrate the New Year on this date in the Northern Hemisphere.
What is January 1st?
This is the name scientists give to the timeline of Earth’s history.
What is the geological time scale?
Snowflakes are based on this geometric shape.
What is a hexagon?
Temperature and sunlight in winter are examples of this.
What are abiotic factors?
This scientist studies rocks and Earth’s history, including ice ages.
What is a geologist?
This astronomical event marks the official start of winter in the Northern Hemisphere.
What is the Winter Solstice?
Dinosaurs lived during this era, which was much warmer than today
What is the Mesozoic Era?
Most snowflakes have this number of sides.
What is six?
All of the living and non-living things in an area make up an ________.
What is an ecosystem?
This scientist studies chemicals and reactions.
What is a chemist?
The Northern Lights are often visible in winter in these regions.
What are polar or Arctic regions?
Seeing snow falling from the sky is an example of this.
What is an observation?
Snowflakes form when water changes from this state of matter to a solid.
What is a gas (water vapor)?
This winter ecosystem has permafrost and very few trees.
What is the tundra?
This scientist studies plants and animals in ecosystems.
What is an ecologist?
In the Southern Hemisphere, December is actually this season.
What is summer?
Which uses prior knowledge: observations or inferences?
What are inferences?
If one arm of a snowflake has 4 branches, how many branches would all 6 arms have in total?
What is 24 branches?
This is the role an organism plays in its ecosystem, including what it eats and how it survives.
What is a niche?
This scientist studies fossils, even frozen ones.
What is a paleontologist?
This winter festival in Quebec, Canada, features ice sculptures and snow activities.
What is Winter Carnival (Carnaval de Québec)?

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This affects the final shape of a snowflake as it falls through a cloud.
What is temperature or humidity?
Removing one species from an ecosystem can affect all others because ecosystems are ________.
What is interconnected?
This scientist studies snow, ice, and weather patterns.
What is a meteorologist?