Energy
What is the law of conservation of energy?
Energy cannot be created or destroyed; it can only change from one form to another.
Why do roller coasters travel fastest at the bottom of hills?
Because their kinetic energy increases as potential energy changes to kinetic energy when going down the hill.
What does the name "Ishi" mean in the Yana language?
Man
What did the Modoc people use to make rafts?
Tule (a plant with strong, narrow leaves).
What is California's state animal?
Grizzly Bear
Why can't scientists make new energy?
Because energy cannot be created or destroyed according to the law of conservation of energy. Scientists must use existing energy sources.
Do roller coasters have engines to keep them moving?
No, they use energy that converts between potential and kinetic energy.
In what year was Ishi born?
Around 1864.
What type of houses did the Modoc build in winter?
Houses built mostly under the ground, covered with dirt and snow.
How tall is Mount Lassen?
10,457 feet high
What are the two types of energy found in a pendulum?
Potential energy and kinetic energy.
What type of energy does a roller coaster store when going up a hill?
Which tribe was Ishi part of?
The Yahi Tribe.
What did the Modoc people believe in that kept them safe?
Guardian spirits.
When did Mount Lassen first erupt?
May 30, 1914
What is potential energy?
Stored or static (not moving) energy.
What pulls the roller coaster down the hills?
Gravity
How long did Ishi live alone in the wilderness?
Three years.
Where did the Achomawi and Atsugewi tribes make their homes?
Along the Pit River.
What is a sweathouse used for?
A special building used for religious ceremonies where American Indians pray, drum, sing, and give offerings to the spirit world.
What is kinetic energy?
Energy in motion.
What happens when the kinetic energy increases?
The roller coaster goes faster.
What disease killed Ishi?
Tuberculosis, a disease of the lungs.
What did the chiefs do for work?
They did not have to work.
What did they use to build canoes?
Giant logs