Famous People
This astronaut was the first person to the moon
Neil Armstrong
What is the formula for carbon tetrachloride?
CCl4
Zinc is an element represented by this abbreviation.
Zn
The three numbers on a bag of fertilizer refer to this
N- Nitrogen
P- Phosphorus
K- Potassium
Materials that do not conduct electricity effectively.
Insulators
This scientist travelled to the Galapagos Islands then developed the theory of natural selection.
Charles Darwin
The atomic mass of fluorine is approximately 19 and the atomic number is 9. How many neutrons are found in this element?
10
Hg is the chemical symbol for this element.
Mercury
These human made pollutants are very stable so they persist in the atmosphere for many years and they break down ozone.
CFC's
The ancient view of the universe where earth is the centre and all celestial bodies rotate around us.
geocentric model
His telescope observations supported Nicholas Copernicus’ sun centered model of the solar system
Galileo Galilei
What is the resistance with correct units of a light bulb if a 9 V battery sends a current of 1.6 amps through it?
5.625 ohms
All elements to the left of the staircase on the periodic table are classified as this type.
Metals
A fertilized cell in sexual reproduction is called:
zygote
The term used to describe what happens to light as a star moves toward us.
Blue shifted
This scientist combined math and observations to determine that planetary orbits are elliptical.
Johannes Kepler
What is the formula for lithium sulfide?
Li2S
There are 4 ways to increase the rate of a reaction. Tell me one of them
(increase temperature, agitation, increasing surface area exposed, increasing concentration of the substance, using a catalyst)
Similar organisms that can mate and produce viable offspring.
Species
Used to control lights, motors, volume, etc.
Variable resistor
This famous Russian scientist developed the periodic table and even predicted the position of yet unknown elements.
Dmitri Mendeleev
Selenium (atomic number 34) has an atomic mass of 78.96. How many neutrons does Selenium have?
45
Law that states matter is not created or destroyed in normal chemical changes.
Law of conservation of mass
A close relationship between two different species in which one partner is unaffected and the other benefits.
Commensalism
The 3 laws of electric charges are:
(unlike charges attract, like charges repel and charged objects attract neutral objects)