Chemistry
An element and a compound are both part of this matter classification category
Pure Substance
V stands for ____ measured by a _________
voltage, voltmeter
Mars is which type of planet?
Terrestrial
This is a more common term used to describe primary consumers
herbivores
Why is the chemical symbol for Silver "Ag?"
Because ancient scientists believed Argentina was rich in silver!
What is the density of an object with a mass of 12g and a volume of 4mL? Include the units in your answer
3g/ml
What is the unit of electrical power?
Watt
an astronomical unit is the same as the distance between which two celestial bodies?
Sun and earth
The atmosphere is mostly made of this gas
nitrogen
This travels at 300,000,000 m/s! The fastest thing in the universe!
light
The atomic number is unique to each element. It represents the number of ____
protons
A neutral object and a charged object touched together. Previously, the charged object was repelled by a negative object. The neutral object is now ___ charge.
negative
List the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Define Abiotic
non-living, and never having lived or been part of a living thing component of the ecosystem
These two processes are opposite chemical reactions which pass energy from sunlight up a food chain
photosynthesis and cellular respiration
name all three subatomic particles and their charges
Proton + , electron (-), neutron, 0
A heater pulls 10A at 120V. What is its resistance?
12 Ohms
What unit of measurement would be best for the diameter of the Milky Way?
light years
Define ecological Niche
An organism's role in an ecosystem (what it needs to live, what it eats, what eats it)
The three types of tongs we learned about during our lab safety unit are called what?
Crucible, beaker, and test tube
How many electrons are in a neutral Carbon atom?
6
The ________ stays the same throughout all branches of a parallel circuit
The moon is an example of what type of celestial object?
A natural satellite
What type of organism feed on dead and decaying matter?
decomposer and/or scavenger
What is a "theory" in science?
Our best current understanding of something (unable to be disproven)
light produced, heat produced, new substance created, gas produced
Explain what the "load" does in a circuit.
It converts electrical energy to other forms of energy (heat, light, sound, motion, etc.)
How are the tides formed?
Moon's gravity pulls on water to create a bulge
When DDT pesticide concentrations increase moving up a food chain, what term do we give this?
Biomagnification
Name one of the three astronauts who landed on the moon in the Apollo 11 (first successful moon landing mission)
Neil Armstrong, Buzz Aldrin, and Michael Collins
Draw a bohr-rutherford diagram of oxygen.
8 protons (nucleus), 8 neutrons (nucleus), 8 electrons (orbits)
What is the difference between AC & DC
Electorns shuffling or electrons flowing
What is a collection of stars not recognized as an official constellation called?
Asterism
What term is used to describe an ecosystems 'balance' unchanging until outside factors influence it?
Equilibrium/Sustainability
What three planets can be seen looking west-northwest TONIGHT?
Venus, Jupiter, and Mercury :)