2022-23 Unit 1 Test Review

Which description best defines the geocentric model?

• A.) a model of the solar system in which the Sun, Moon, and other planets revolve around Earth.

• B.) a model of the solar system in which Earth, Moon, and other planets revolve around the Sun.

• C.) a model of the solar system in which the Sun, Moon, and all of the planets rotate but do not revolve.

• D.) a model of the solar system in which the Sun, Moon, and all of the planets revolve around a central axis.

Earth is a part of the galaxy known as the

• A.) Milky Way.

• B.) Omega Centauri.

• C.) Triangulum galaxy.

• D.) Andromeda galaxy.

Which of the following planets is NOT a gas giant?

• A.) Saturn

• B.) Neptune

• C.) Mars

• D.) Jupiter

What is Neptune's great dark spot?

• A.)

  a vast canyon

• B.) a raging storm

• C.) a frozen ocean

• D.) a massive volcano

The table shows the diameters of the planets in Earth's solar system.

Which planet is the second-largest gas giant?

• A.) Jupiter

• B.) Neptune

• C.) Saturn

• D.) Uranus

Tags

NGSS.MS-ESS1-3

Jupiter is the

• A.) seventh planet from the Sun and the smallest in Earth's Solar System.

• B.) fifth planet from the Sun and the largest in Earth's Solar System.

• C.) seventh planet from the Sun and the largest in Earth's Solar System.

• D.) fifth planet from the Sun and the smallest in Earth's Solar System.

A meteor moving through space speeds up as it gets closer to Earth. What force causes the meteor's speed to increase the closer it gets to Earth?

• A.) magnetic attraction

• B.) friction

• C.) gravity

• D.) electrical attraction

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Many of the planets in the solar system have orbits of similar shapes, but they orbit at very different speeds. Why do the planets orbit at different speeds?

• A.) Planets are kept in their orbits by tension force, which is affected by the atmospheric pressure of a planet.

• B.) Planets are kept in their orbits by electromagnetic force, which is affected by the diameter of a planet.

• C.) Planets are kept in their orbits by friction, which is affected by the temperature of a planet.

• D.) Planets are kept in their orbits by gravity, which is affected by the mass of a planet.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following is another name for meteors?

• A.) comets

• B.) shooting stars

• C.) meteorites

• D.) space fireballs

While gazing through a telescope, Elexi noticed a bright spot moving fast through the sky. On closer examination, she observed the spot was followed by a stream of dust. Elexi most likely observed

• A.) an asteroid.

• B.) a comet.

• C.) a meteor.

• D.) a moon.