Chemistry
Which metal is a liquid?
Mercury
Name the force that holds the moon in Earth's orbit.
Gravity
What is the role of a ligament in the joint?
Holds bones together but lets them swing freely.
Discovered the periodic table in a dream. Utilized the organizing principles of the periodic table to correctly predict the existence and properties of six new chemical elements.
Dmitri Mendeleev
Why is the mole day on October 23rd?
Because they are 23 zeros.
What is the main constituent of bronze, a widely used metal alloy?
Copper and tin
Which form of energy can we see with the naked eye?
Light
Define the meaning of respiration.
Respiration is a chemical reaction, that releases energy by using glucose with oxygen.
Invented dynamite, the blasting cap, gelignite, and ballistite; grew enormously wealthy manufacturing explosives; used his wealth to bequeath annual prizes in science, literature, and peace.
Alfred Nobel
Which acid is used in the body to help digestion?
Hydrochloric acid
Which non-metal conducts electricity?
Graphite
Increasing which property of an object increases its air resistance?
Surface area
If you find something in the sea, it could be crystal or living things. How could you decide?
7 characteristics of living things
Authored one of the most famous books in history, On the Origin of Species, in which he described and provided evidence for the theory of evolution by natural selection.
Charles Darwin
What is the only letter not to appear on the periodic table?
J
What is the chemical formula of hydrochloric acid?
HCl
What color has the longest wavelength in the visible spectrum?
Red
How often do bacteria reproduce?
Every 20 min
Profoundly changed our understanding of nature with his law of universal gravitation and his laws of motion; invented calculus, the field of mathematics that dominates the physical sciences; generalized the binomial theorem; built the first ever reflecting telescope; showed sunlight is made of all the colors of the rainbow.
Isaac Newton
How many brains and how many hearts does an octopus have?
9 brains, 3 hearts
What is the symbol for Tungsten?
W
Name the object in our solar system that was considered a planet before 2006 and give 1 reason for it.
Pluto because it was small/ had an elliptical orbit
Where does blood go after it leaves the lungs?
to heart
The father of nuclear chemistry and nuclear physics; discovered and named the atomic nucleus, the proton, the alpha particle, and the beta particle; discovered the concept of nuclear half-lives; achieved the first laboratory transformation of one element into another.
Ernest Rutherford
Space travellers from the United States are called astronauts. From Russia, they’re called cosmonauts. Where are taikonauts from?
China