How many liters are in one cubic meter?
103
Read One Thousand
What is the spherical halo of material surrounding the solar system, out to a distance of about 50,000 AU, where most comets originate called?
Oort Cloud
I am a constant struggle against motion, converting your kinetic energy into heat. What am I?
Friction
Alnitak, Alnilam, and Mintaka are three stars in which famous constellation?
Orion
What layer of the atmosphere is closest to the Earth and contains most of the weather phenomenon?
Trophosphere
What is the chemical formula for calcium phosphide?
What quantity is found by dividing the difference of the final velocity and initial velocity, the quantity divided by the change in time?
Accelleration
I have a positive attitude but I am trapped inside a tiny nucleus forever. What am I?
Protons
What value is equal to mass times velocity?
Momentum
How many elements occur naturally on Earth?
90
What is the long, hair-like extension of a nerve cell that carries a message away from the cell body to the next nerve cell?
Axon
Which types of elements have properties intermediate between those of metals and nonmetals?
Metalloids
I am the measure of disorder in the universe, and I am always increasing. What am I?
Entropy
What is an aliphatic hydrocarbon that consists of at least one double bond?
Alkene
What are two different molecules with the same molecular formula called?
Isomers
What is the portion of the brain in the back of the head between the cerebrum and the brain stem that is responsible for the coordination of movement and balance?
Cerebellum
If one millimeter equals 107 Angstroms, what is the area of one square meter in Angstroms?
1029
I can speed up a chemical reaction without ever being consumed by it. What am I?
Catalysts
What nitrogen base, in RNA but not DNA, pairs with adenine?
Uracil
What is the organ that nourishes the developing fetus in the uterus?
Placenta
The hardness of a steel file is 6.5 on Mohs hardness scale. What two minerals would this fall between?
Orthoclase feldspar and quartz
If one meter equals 106 microns, what is the value of one kilometer in microns?
One billion
I hold the blueprint of life in a double helix, but I never leave the nucleus. What am I?
DNA
What country is the driest in the world were some places haven’t seen rain in over 500 years?
Chile
What scale is used to measure wind force?
Beaufort