Exam 1: Here and Now

The discovery that whether peas are smooth or wrinkled is an inherited trait was made by _________.

The most widely accepted system of measurement is the metric system.

Astronomers refer to the beginning of the Universe as the _______________.

Which list is in order of increasing size?

What did the International Astronomical Union classify Pluto as in 2006?

Uranus is one of a group of dwarf planets and other small objects that have been discovered circling the Sun beyond Neptune.

What is the very first step of the scientific method?

The scientific method is a simple, mechanical way of grinding facts into understanding.

Which best represents 5,362,000,000 kilometers in scientific notation?

The Universe consists of the Sun, its family of planets, and some smaller bodies such as moons, asteroids, and comets.

Using the example of a football field, indicate the beginning of the Universe, the beginning of our Solar System and the beginning of civilization as we know it along the field in whatever terminology you are familiar with.

The celestial object _______________ is just one of many small objects that orbit the Sun beyond Neptune.

Astronomers use _______________ to express distance from the Sun.

A convenient method to write very large numbers is to use scientific notation.

Jupiter is located approximately 5.2 AU away from the Sun. What is the distance in kilometers?

Why do we study astronomy?

What are the planets of our Solar System in order from closest to farthest from the Sun?

Jupiter, Saturn, Uranus, and Neptune are only located at a distance of 1 AU or less from the Sun.

The formation of our _______________ occurred about 4.6 billion years ago.

Figure 1 In Figure 1, what is the pointer indicating?