Life Science
What is the largest organ in the human body?
Skin
What is the SI unit for mass?
Kilogram
What is the fastest land animal on Earth?
Cheetah
When a liquid is changed to a solid it is called?
Freezing
What is the closest planet to the Sun?
Mercury
An organism that eats other organisms for food is called a?
Consumer
What is "an object's resistance to a change in motion" called?
Inertia
What do you call molten rock beneath Earth's surface?
Magma
How much of the Earth's water is stored in the oceans?
96%
(accept answers from 94-98%)
What is the closest star to the Earth?
The Sun
The first vaccine was developed for which disease?
Smallpox
Name the phenomenon that causes a change in frequency of a wave when a source is moving towards or away from an observer.
Doppler Effect
Which is the most abundant element in the universe?
Hydrogen
What is the pH of water?
7
How long ago did our solar system form?
4.6 Billion Years Ago
How many chambers make up the human heart?
4
Name 2 of the 4 fundamental forces of the universe
Gravity, Electromagnetic, Strong Nuclear, Weak Nuclear
What do you call an animal that eats a variety of other organisms, including plants, animals and fungi?
An omnivore
How long can a human live without water?
About 7 days
What is another term for shooting stars? (hint: debris)
Meteor
What is the rarest blood type?
RH null
Which color of visible light has the shortest wavelength?
Blue
How many elements are on the periodic table?
118
What is it called when ice becomes water vapor?
Sublimation
What was the first artificial satellite?
Sputnik 1