What is electric charge
Physical property that causes particles or objects to attract or repel without touching.
What is convergent
When 2 plates move toward each other crust is destroyed as one plate dives beneath the other
How to calculate density
Mass/Volume= Density
What is a magnetic field
The area around a magnet that has magnetic force
What color is the hottest star
Blue
What is electric force
Force of attraction or repulsion depends on the amount of charge.
What is divergent
Mostly occur along spreading centers where the magma rises forming a new crust.
What is the troposphere
It is the atmosphere layer where the weather is
What is earths rotation
When earth rotates on it's axis
How do you measure distance in space
Light years
what is Electric field
Area around a charge where electric force can be felt.
What is transform
Occurs when two tectonic plates move past each other
What is stratosphere
Where planes fly and protects us from UV
What is hemisphere
Half of a sphere
What is absolute magnitude
How much light is actually given off by a star
What is static electricity
Build up a charge on an object
What is echo sounding
Helps see things underwater like trenches
What is the mesosphere
99.9 percent of atmosphere is here
how long does earths rotation take
23 hr 59 min 4 sec
What is apparent magnitude
How bright a star appears to be due to how close or far away it is
What is static discharge
Sudden flow of electrons
What is plate tectonics
Movement of plates around surface of the earth
What is exosphere
closest to space and has no limit
How long is a revolution
1 year or 365.25 days
How many miles is one light year
One light year is equal to a little under 6 trillion miles