Atoms
Which subatomic particle is found outside of the nucleus of an atom?
Electrons
Where do earthquakes, volcanoes, mountains, seafloor spreading all form along?
Plate Boundaries
What are columns and rows called in the periodic table?
Periods and groups
All the energy in an ecosystem comes from ……..?
The Sun
In an ecosystem, what are two things plants compete for?
Sunlight, water, soil, space, etc.
How many protons would Calcium (Ca) have?
20
The “Ring of Fire” is most famously known for what forming around it?
Volcanoes
What group are the noble gasses in?
18
Every food chain begins with what type of organism?
Producers
What is the difference between speed and velocity?
Speed is the amount of distance in a specific amount of time, while velocity IS SPEED in a specific direction.
The combination of protons and neutrons of an atom equals the……
Atomic Mass
What type of natural disaster could occur when two tectonic plates are sliding across each other?
Earthquakes
What group are the most reactive elements in?
Group 1, Alkali Metals
What would happen to a polar bear population if their main source of food, the seal, suddenly migrated away?
The polar bear population would decrease due to a shortage of limited factors.
What are stars primarily composed of?
Hydrogen and Helium
How would an atom have a negative charge?
The atom has more electrons than protons.
What is the name of the supercontinent that existed millions of years ago?
Pangaea
Give two examples of elements that are in the same period.
Any two elements that are in the same row.
What would happen to the level of competition between mice and shrews that eat the same snails in an ecosystem if the snail population decreased?
Competition would increase for the snail as a food source.
What metric would you use to measure the distance from Earth to the center of the Milky Way?
Light-year
How many atoms are in the following chemical formula? CH3COOH
8
What motion occurs between tectonic plates in order to form a transform boundary?
Tectonic plates sliding across each other
Which group of elements rarely ever react to other elements?
Noble Gases / Group 18
What are the three levels of population decrease?
Threatened, endangered, extinct species
What does an unbalanced force on an object cause?
Motion