Where are the three smallest bones in the human body?
The middle ear
The toes
The eyes
The nose
15
Who invented the first battery?
Alessandro Volta
Benjamin Franklin
Nikola Tesla
Luigi Galvani
15
What layer of the Earth's atmosphere makes radio communications possible?
The thermosphere
The ionosphere
The stratosphere
The exosphere
15
What is a hummingbird's heart rate?
600 beats per minute
240 beats per minute
170 beats per minute
1,260 beats per minute
15
What did Albert Einstein win the Nobel Prize for in 1921?
Wave-particle duality
Zero-point energy
Relativity
The photoelectric effect
15
How many teeth does an adult human have?
32
15
The earth has three layers of varying temperatures. What are its three layers?
The crust, mantle, and core
25
What is the hottest planet in the solar system?
Venus
20
What is the rarest blood type?
AB negative
20
What do bees collect and use to create honey?
Pollen or nectar
15
What part of a plant conducts photosynthesis?
The leaf
15
What’s the boiling point of water?
100 degrees Celcius
15
What tissues connect the muscles to the bones?
Tendons
20
Who was the scientist to propose the three laws of motion?
Isaac Newton
15
Animals that eat both plants and meat are called what?
Omnivores
20
Diabetes develops as the result of a problem with which specific organ in the body?
The pancreas
20
True or false: sound travels faster in air than in water.
False
15
This planet spins the fastest, completing one whole rotation in just 10 hours. Which planet is it?
Jupiter
20
How many elements are there in the periodic table?
118
25
True or false: male seahorses give birth to their young, not the females.
True
15
The oldest living tree is 4,843 years old and can be found where?
California
15
Dolly was the first ever living creature to be cloned. What type of animal was she?
A sheep
20
Discovered by Alexander Fleming, this is now used to treat infections and is considered one of the most important discoveries in the field of medical science. What is it?
Penicillin
20
What is a geiger counter used to measure?
Radiation
25
True or false: your hair and your nails are made from the same material.
True
15
True or false: the graduated cylinder is a tool that’s used to measure fluid volume.
True
15
True or false: A penny is made mostly of zinc
True
15
Space travelers from the United States are called astronauts. From Russia, they’re called cosmonauts. Where are taikonauts from?
China
15
What will two particles of opposing charges do – repel or attract?
