Water
The chemical formula of water is:
A) H2O
B) O2H
C) 2OH
A) H2O
What is the name of the largest ocean on earth?
the Pacific Ocean
Biology is the study of:
A) Living things
B) Tornadoes
C) Electricity
A) Living things
Metals expand when heated and ________________ when cooled.
A) Extract
B) Contract
C) Melt
B) Contract
A thermometer is a device used to measure:
temperature
Water covers more or less than 50% of the earth's surface?
More--it's around 70%
Which is hotter, the center of the earth or the surface of the sun?
A) the center of the earth
B) the surface of the sun
A) the center of the earth
The common cold is caused by a virus.
True or false?
True.
True or false. Iron is attracted by magnets.
True
We see a rainbow when white light breaks apart.
True or false?
True. White light is made up of all colors of the rainbow.
The average human can survive without water for:
A) a few days
B) a few weeks
C) a month
A) a few days
What do you call molten rock before it has erupted?
A) Lava
B) Magma
C) Graphite
B) Magma
What is the process by which plants convert sunlight into food?
A) Photosynthesis
B) Hibernation
C) Circulation
A) Photosynthesis
What is the earth's primary source of energy?
A) the wind
B) the sun
C) the ocean
D) the moon
B) the sun
The area of central USA that features many tornadoes is known as:
A) Tornado Valley
B) Tornado Alley
C) the Bermuda Triangle
B) Tornado Alley.
The boiling temperature for water is:
A) 198 degrees Fahrenheit
B) 212 degrees Fahrenheit
C) 350 degrees Fahrenheit
D) 500 degrees Fahrenheit
B) 212 degrees Fahrenheit
Someone who studies earthquakes is called a:
A) Seismologist
B) Botanist
C) Pharmacologist
A) Seismologist
The death of every member of a particular species is known as:
Extinction
What is the first name of the famous scientist who gave us Newton's three laws of motion?
Isaac
Lightening is a giant spark of ______________ that jumps from cloud to cloud or between a cloud and the ground.
Electricity
What is another name for a tidal wave?
Spell it correctly to get any points.
a tsunami
What are the two main metals in the earth's core?
A) Copper and nickel
B) Iron and copper
C) Iron and nickel
C) Iron and nickel
Name the tube that carries food from the mouth to the stomach.
Spell it correctly to get credit!!!
E-S-O-P-H-A-G-U-S
The wire inside an electric light bulb is known as the:
F _ _ _ M_ _ T
Filament
Stratus, cirrus, cumulus, and nimbus are types of what?
Clouds.