Science
True or False? Electrons are smaller than atoms.
True
Which is the most abundant element in the universe?
Hydrogen
What is the hardest natural substance on Earth?
Diamond
True or False? Lasers work by focusing on sound waves.
False
Do diamonds last forever?
No. Diamonds do not last forever. They’ll eventually degrade to graphite, though the process takes over a billion years.
True or False? Chameleons change colors only to blend into their environment.
False. Chameleons also change colors for other reasons, like to regulate body temperature, when feeling aggression, and when feeling excited.
What part of the human body serves the purpose of maintaining balance?
the ears
What are the four states of matter?
Solid, liquid, gas, plasma
Roughly how long does it take for the sun’s light to reach Earth: 8 minutes, 8 hours or 8 days?
8 minutes
Which blood type is the rarest in humans?
AB negative
What does a Geiger counter measure?
Radiation
What is a material that will not carry an electrical charge called?
Insulator
Bronze is an alloy made of which two elements?
Copper and tin
At what temperature are Celsius and Fahrenheit equal?
-40
What is chalk made of?
It comes from limestone, which formed from the shells of tiny marine animals.
What’s the name of the protein in blood that carries oxygen?
Hemoglobin
How does fat leave your body when you lose weight?
Sweat, urine, breath
What’s the name of the theory that explains how the continents move across the Earth's surface?
Plate tectonics
A, C, and T, are three of the letters used to represent parts of DNA. What's the fourth one?
G
What is the name of the type of chemical bond formed by the sharing of electrons between atoms?
Covalent Bond
Which type of cloud is associated with thunderstorms?
Cumulonimbus
How many bones are in a giraffe’s neck?
seven
What’s the name of the process by which cells divide to create identical cells?
What’s the largest artery in the human body?
aorta
What was the name of the first man-made satellite launched by the Soviet Union in 1957?
Sputnik 1