Biology
What does DNA stand for?
Deoxyribonucleic acid
It is the outermost layer of the Earth where life exists.
Crust
The atom is made of 3 subatomic particles. The subatomic particle found in the nucleus with a positive charge is the _______.
Proton
Besides solid, liquid, and gas, what is the fourth form of matter?
PLASMA
What is the white area of the eye called?
a. conjunctiva b. sclera c. cornea d. lens
b. Sclera
What is the natural compound present in green plants that gives them their colour?
Chlorophyll
What is the name of the largest ocean on earth?
The Pacific Ocean
Carbon's Atomic number is?
6
As defined in physics, work is:
a. a scalar quantity b. always a positive quantity
c. a vector quantity d. always zero
a. scalar quantity
What is the name of the highest mountain on earth?
Mount Everest
Which organ remove wastes and extra fluid from your body?
The kidneys
What do you call molten rock before it has erupted?
Magma
An acid has a pH below ______.
a. 10 b. 12 c. 5 d. 7
d. 7
Which of the following colors of visible light has the longest wavelength? Is it:
a) violet b) green c) yellow d) red
d. red
The smallest unit of matter:
a. atom b. molecule c. electron d. element
A. Atom
Where would one find the smallest bone in the human body?
a. thighs b. the ear c. skull d. tongue
b. The ear.
Over a long period of time while under extreme heat and pressure, graphite turns into which precious mineral?
a. ruby b. sapphire c. jade d. diamond
d. Diamond
Water is made of 1 oxygen molecule, and how many hydrogen atoms?
2
In the sun, helium is produced from hydrogen by:
a. radioactive decay b. disintegration
c. fission d. fusion
d. fusion
What do you call molten rocks after it has erupted?
Lava
What is the process called when a caterpillar develops into a butterfly?
Metamorphosis
What is the name of the layer of earth’s atmosphere that absorbs the majority of the potentially damaging ultraviolet light from the sun?
Ozone Layer
What is the process of a substance changing directly from a solid to a gas called?
a. Condensation b. evaporation
c. Sublimation d. deposition
c. Sublimation
The first instrument used for measuring temperature was the gas thermoscope invented by:
a. Celsius b. Galileo c. Centigrade d. Fahrenheit
b. Galileo
When a metal becomes a superconductor, there is a tremendous decrease in its:
a. total volume b. electrical resistance
c. length d. density
b. electrical resistance