Backyard Volcanoes
What is the rock that is made from lava called?
Basalt
Draw a picture of what the two types of volcanoes look like.
-Tall and pointy
-Short and round
How are rocks at the top of a mountain different than the ones at the bottom?
Rocks at the top of a mountain are sharper than the ones at the bottom.
What are landslides?
Landslides are made of rocks or soil that slide down a slope.
What is Ms. S's favorite step in division?
BRING IT ON DOWN!
Volcanoes normally pop up randomly. True or False and why?
False. Volcanoes pop up in patterns.
Volcanoes that do not explode create basalt. True or False?
True.
Do mountains last forever?
No, mountains start as solid rock but the rock breaks into smaller pieces and the pieces roll down the mountain.
Landslides most likely occur when_________.
The hill is really steep.
What did we use to represent rocks in our experiment to see what happens to rocks when they roll down a mountain?
Sugar Cubes
Where are most volcanoes in the world?
Most volcanoes are along the coast surrounding the Pacific Ocean.
Why are some volcanoes shaped like shields?
They are made of runny lava that spreads out widely.
Rocks at the bottom of a mountain tend to be rounder than the ones at the top because__________.
as the rocks tumble down the mountain the edges become more rounded.
A landslide is a__________. (other ex. tornadoes, floods, fires, earthquakes)
Natural Hazard
What is Ms. Moon's favorite football team?
The Greenbay Packers.
What is the group of volcanoes surrounding the Pacific Ocean called?
The Ring of Fire.
Why do cone volcanoes explode?
Thick lava plugs up the top of the volcano until all the pressure builds up and the volcano explodes.
What is it called when seeds enter the cracks in rocks and split them apart?
Root Wedging
Imagine that you are camping in a hilly area. How can you figure out if it’s a safe place to camp?
Look to see if there is a lot of loose rock, if the slope is greater than 35o and if there has been or will be a lot of rain.
What does Ms. S want to be when she grows up?
Teacher!
Susan is asking if a volcano could pop up in her back yard. What are two questions you would ask her?
Answers may include:
Do you live on the coast?
Do you live by the Pacific Ocean?
Are there volcanoes near where you live?
Do you have Earthquakes by you?
Why do some volcanoes explode and some do not? How can you tell the difference between them?
-Shield volcanoes have thin lava that flows from the top because there is no built up pressure in the bubbles of the lava.
-Cone volcanoes have thick lava that builds up pressure until it explodes because the bubbles have no room to escape.
What are some different ways solid rock can break into smaller pieces?
-seeds and water can enter into the cracks of the rock
-water freezes and expands crack
-rocks can tumble down the mountain
What causes landslides and how can you protect yourself from them?
Landslides can happen when there is loose rock on a slope of more than 35o and there has been a lot of rain.
-dig a ditch, create a barrier, use an early warning system, prevent them from happening in the first place
What is it called when ice gets stuck in the cracks of rocks and splits them apart?
Ice Wedging