Weather & Natural Disasters
Tsunami
Four forms of precipitation
Rain, sleet, hail, and snow
What are sedimentary rocks made out of?
Small pieces of rock and rock dust from erosion
What layer do we live and walk on?
Crust
What type of fossil is a footprint?
Trace fossil
What moves to cause an earthquake?
The tectonic plates move
Energy source for all things
The SUN
List the three types of rocks.
Metamorphic, Sedimentary, Igneous
What are the 2 types of tectonic plates?
Continental and Oceanic
What type of fossil is a space left behind?
Cast and mold fossil
What makes weather change?
Temperature, wind, moisture
Why does precipitation fall?
Gravity pulls it down
How are the igneous rocks formed?
When lava cools
The outer core is made out of which 2 metals
Iron and Nickel
What type of fossil is a preserved bone?
A true fossil.
What seasons do we have in Canada?
Spring, summer, winter and fall
What does the sun do to water?
Heats it up so it evaporates.
What 2 things are needed for a metamorphic rock to form?
Heat and pressure
What layer takes up the most amount of space?
The Mantle
The oldest fossils are near the top or the bottom layer of rock?
Bottom
What is a period of abnormally dry weather that lasts long enough to cause serious provblems?
A drought
What is water going down a hill and into a body of water?
Runoff
What causes erosion?
Wind, Water, and Moving Ice (glaciers)
Is the inner core solid or liquid? Why?
Solid because of the pressure
What is the minimum amount of time for a fossil to form?
At least 10 000 years.