Science unit 2 lesson 1
Science unit 2 lesson 1
100

What is heliocentric?

Sun centured 

100

The inward force required to keep a particle or an object moving in a circular path.

Central force 

200

Describes something that uses Earth as the reference

Geocentric

200

what is an aphelion 

where the object is the farthest from the sun

300

Is the sun and all of the bodies that orbit the sun.

Solor system 

300

what is a perihelion 

where the object is the closest to the sun

400

Was Nicolaus Copernicus a Greek astronomer, true or false 

false

500

an apparent shift in the position of an object when viewed from different locations

pallax