Unit 1 Test Review

The scientific study of the universe beyond Earth’s atmosphere is what?

• Physics

• Astronomy

• Organic chemistry

• Biology

Supplies the energy for nearly all life on the planet earth.

• Sirius

• Jupiter

• North Star

• Sun

Originally defined as 1/10,000,000 of distance from equator to north pole.

• Kilometer

• Meter

• Centimeter

• Decameter

Fixed and reproducible value to take accurate measurements is the definition of what?

• Standard Unit

• Metric Unit

• British Unit

• Pemdas Unit

Early belief that the earth was motionless and everything revolved around it.

• Eurocentric

• Geocentric

• Biocentric

• Heliocentric

The closest point in a planet’s orbit around the sun, speed is the fastest.

• Aphelion

• Aurhelion

• Semihelion

• Perihelion

The continuous, forward flowing of events.

• Years

• Time

• Water

• Forever

It is a decimal (base-10) system – this is much better than the British system.

• British system

• American system

• Omnibus system

• Metric System

The equation for density is

• V = D*M

• D = M/V

• D = V/M

• M = V/D

1 kilometer = ???? meters

• 1,000

• 100

• 10,000

• 100,000