List 3 rapid changes to the earth's surface
volcanic eruptions, earthquakes, landslides, sinkholes, etc.
What are adaptations?
Something that helps an organism survive in its environment
What are 2 things Earth has that the Moon and Sun don't?
Life, water
What rapid change can cause cracks in the ground?
earthquakes
What adaptation do ducks' feet have and why?
webbed feet for swimming faster
What is weathering?
Breaking down of rock into sediments.
What adaptation allows hummingbirds to eat nectar from flowers?
a long, think beak
What is erosion?
The movement of sediments
How long does it take for the Earth to complete one orbit around the sun?
1 year
What is a Delta, and what is it made of?
It is a triangular shaped structure at the mouth of a river, where the river meets the ocean. It is made up of sediments that were weathered from rocks and soil near or in the river and then deposited.
After sediments are deposited, what makes them turn into sedimentary rock?
Cementation and compaction