What is a piece of evidence that continental drift exsited?
fossils
Fitting together of continents
Describe convection currents
Hot rises less dense, cool sinks more dense
This determines the life cycle of a star
Mass
Lunar Eclipse: Name the order in which the 3 elements appear in the sky when a lunar eclipse takes place
Sun Earth Moon
The stage a low mass star enters at the end of its life
Turns into a white dwarf
The sphere of Earth containing all water is the _____________________.
hydrosphere
The percent of water that is salt.
97%
What color represents the hottest star?
Blue
Name the moon phases in order starting with new moon
New Moon, Waxing crescent, first quarter, waxing gibbous, Full moon, Waning gibbous, third quarter, waning cresenct
____________________ measures the relative humidity in the air.
hygrometer
Left Diagonal up
Sea Floor Spreading, Mid Atlantic ridge