semester 1 exam review
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What is the formula for density?
Mass divided by volume
what is the dependant variable?
it is a variable that depends on other factors, cannot cause a change in the idependent variable
What is an idependent variable?
- it is a variable that stands alone
- the idependent variable causes a change in the dependent variable
How are earthquakes measured?
using a richter scale
What evidence did alfred Wegener have for continental drift?
- -similiar rock types
- -fossil evidence
- -climate evidence
- -mountain belts
- -coastlines for puzzle shape
what is a hotspot?
is a hot area in the mantle melts rock into magma that rises through the crust to form volcanoes.
What are comets?
they are small icy celestial body that orbits the sun.
What is the first manned mission to the moon, and who landed on the moon?
apollo 11, and Neil Armstrong was the first on the moon, and Buzz Aldrin as well.
What is cosmology?
is the study of the universe
Explain the Big Bang theory
that everything began as a single point and has been expanding ever since.
What are the affects when the polar ice caps melt?
There will be a ton of flooding and only high areas will not be covereed by water
What is salinity?
the amount of dissolved salt in a sample of ocean water.
What are the moon phases for spring tides?
What are the moon phases for neap tides?
third quarter/ first quarter
What is the deepest part of the ocean?
The Mariana Trench
What type of instruments measure length?
Ruler, meter stick
What tools measure volume?
What tools measure mass?
Triple beam balance or elctronic scale
What are the layers of the atmoshpere from the surface up towards outer space?
- 3. Sratosphere
- 4. Stratosphere
- 5. Mesophere
- 7. Thermosphere
- 8. Exopshere
Where are earthquakes most likely to occur?
usually on a fault line
How have volcanic erruptions contributed to the formation of the Earth's atmosphere?
They add carbon dioxide, water vapor, amonia, and methane
What would you like to do?
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