REVIEW IN PHYSICAL SCIENCE

Who was the first to propose that the Earth was round?

• Aristotle

• Aristarchus

• Brahe

• Pythagoras

Who built an observatory to measure the position of planets with high accuracy?

• Aristotle

• Aristarchus

• Brahe

• Pythagoras

An apple is left free in the air. Which of the following is a true statement that best describes what is happening?

• The apple is pushed towards Earth by the force of gravity.

• The apple is pulled towards Earth by the force of gravity.

• The apple is pulled towards Earth by air resistance.

• The apple is pushed towards Earth by air resistance.

How many significant figures are in the number 700.0?

• 1

• 2

• 3

• 4

What are the significant figures of 0.00354173?

• 3

• 5

• 6

• 7

A feather and an iron bar are released from the same height in a room without any air resistance. If you are an Aristotle follower, which will fall first?

• both at the same time

• Feather

• Iron bar

• they will not fall

The Sun's position in space is best described as the approximate center of.

• A constellation

• Our Solar System

• The Universe

• The Milky Way Galaxy

Which of the following is NOT one of Kepler's Law on Planetary Motion?

• The Law of Hyperbolas

• The Law of Ellipses

• The Law of Equal Areas

• The Law of Harmonies

Which of the following is NOT TRUE about the dispersion of sunlight by a prism?

• Different wavelengths correspond to different colors.

• Different wavelengths travel at different speeds.

• White light consists of waves of varying wavelengths.

• The color most bent is red.

Convert each number into scientific notation

0.00862

• 8.62 X 10¯³

• 8.62 X 10³

• 8.62 X 10 ¯⁴

• 8.62 X 10⁴