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Marine Biology
Human Body
Cells/DNA
Earth
Planetary Science
100
Salinity decrease when
What is adding salt water
100
Scientific name for the thigh bone
What is Femur
100
3 main types of cells
What is Animal, Plant, Bacteria
100
The spheres that the ozone layer is located
What is the Stratosphere
100
The fourth planet in the Milky Way solar system
What is Mars
200
Name the gases in the ocean that is needed for certain animals to survive
What is oxygen and carbon dioxide
200
Number of bones in the human body
What is 206
200
Job of the nucleus
What is directs all the cells activates including reproduction
200
This protects us from UV rays and absorbs oxygen
What is the ozone layer
200
The color of the hottest star
What is Blue and White
300
Name the position the moon would be in to cause neap tide
What is first quarter moon
300
Number of body systems in the human body
What is 11
300
Differences between plant and animal cells
What is cell wall and chloroplast
300
The 2 elements that cause the northern lights
What is oxygen and nitrogen
300
The distance from the sun
What is 150,000,000km
400
Singular water molecules are held together by
What is Hydrogen bonds
400
Average heartbeats per minute
What is 60-100
400
DAILY-DOUBLE! 4 nitrogen bases of DNA
What is adenine, cytosine, guanine, thymine
400
The distance between the outer core to the crust in km
What is 5,150km
400
Number of Jupiter's moons
What is 63
500
Number of grams of salt does water have in it
What is 34
500
Number of organs in the human body
What is 78
500
Number of cells in a human body
What is 37 trillion
500
The process that continually adds new material to the ocean floor
What is Sea Floor Spreading
500
The original Planetary astronomer and his work
What is Galileo and Jupiter's moons. Mountains on moons of Saturn