Chemistry
What are the 3 subatomic particles?
Protons, neutrons and electrons
What is mechanical weathering?
When something physically breaks rock.
What is the layer of the Earth that is an energy source for the planet?
inner core
What makes tectonic plates move?
The movement of magma, called convection currents
If wavelength is 2 m and frequency is 5 hz, what is wave speed?
10 m/s
How many atoms are in 2 molecules of water?
6
What is chemical weathering?
When rock is dissolved by a chemical substance such as rust or acid rain.
Lower mantle
What is the name of the supercontinent that existed 300,000,000 years ago when all of today's continents formed one land mass?
Pangea
If the mass is 20 kg and the acceleration is 3 m/s2, what is the force?
60N
If an atom's atomic number is 4 and it has 5 neutrons, what is its mass?
9
What is erosion?
When broken rock is carried away by water or wind or something else.
What is the name of the circular movement of magma caused by heat?
Convection current
Which of the "Big 3" physical phenomena doesn't involve oceanic crust?
Collision zone
If speed of a wave is 12 m/s and wavelength is 2 m, what is frequency?
6 hz.
What do we call an atom with a positive or negative charge?
ion
Which stage of the water cycle is characterized by water changing from gas to liquid?
condensation
What are the two types of crust?
Oceanic and Continental
In which of the Big 3 physical phenomena does ocean floor disappear into the mantle?
Subduction Zone
If acceleration is 20 m/s2, and force is 100 N, what is mass?
5N
What is the special name given to column 18 of the periodic table, and why is this column special.
Noble Gases. Special because atoms of the elements in this column never bond with other atoms.
Which are the 3 phases that all water cycles must include?
evaporation, condensation, precipitation
Which 2 layers are tectonic plates made of ?
crust plus upper mantle
Which of the Big 3 involves Sea floor spreading?
Ocean Ridge
If frequency is 1000 hz and, wave speed is 2 m/s, what is wavelength?
.002 m