Who was the first President of the United States?
George Washington
Upton Sinclair wrote "The Jungle" which was about the gross conditions in which industry?
Meat packing industry
A student examined a rock sample and described it as having particles of various colors that were 1 millimeter to 12 millimeters in size. The student was making what?
an observation
What are genes composed of?
DNA
A single human body cell typically contains thousands of what?
genes
What year did World War II end?
1945
Why did the Alaskan Territory become important to the growth of the United States?
Gold and oil
What was the name of President Roosevelt’s plan to get out of the Great Depression?
The New Deal
An organism is born with a genetic abnormality not present in any of its ancestors. This abnormality is most likely the result of
mutation
Sound will not travel in a What?
vacuum
Before the Civil War, slavery expanded in the South rather than in the North because
geographic conditions in the South encouraged the development of large plantations.
What was the importance of the Panama Canal?
It connected the Atlantic Ocean and the Pacific Ocean and is still important today.
Why did the United States try and stay out of WWII?
They wanted to stay neutral
The basic difference between infrared light, visible light, and ultraviolet light is their
wavelength
Which form of energy is produced when a rubber band vibrates?
sound
What was a muckraker?
Investigative journalists who looked at problems in society.
What 3 things did the U.S. do to mobilize for war?
Declared war,
set up a draft,
and women volunteered to help the war effort.
A student placed a rock in a graduated cylinder containing water, causing the water level in the cylinder to increase by 20 mL. This increase represents the rock’s what?
Volume
The layers of the atmosphere are classified according to changes in
temperature
The length of one day on Earth is determined by how long it takes for Earth to ________ once.
rotate
What happened to the U.S.S. Maine?
It sunk
What were Hoovervilles?
It was a name for homeless encampments people lived after losing their homes.
What model is used to show the pattern of traits that are passed from one generation to the next in a family?
Pedigree Chart
Which force keeps the planets in their orbits around the Sun?
Gravity
The layered mixture of gases surrounding Earth is called the what?
atmosphere