Breayna and Caleb are discussing the hierarchy of celestial bodies in their astronomy class. Which of the following correctly shows the hierarchy from smallest to largest in space?

• Planet → Moon → Galaxy → Star → Universe

• Moon → Planet → Star → Galaxy → Universe

• Galaxy → Star → Moon → Planet → Universe

• Star → Moon → Planet → Universe → Galaxy

Kemonye and Lailah are planning a journey to explore the universe. What is the correct order of their travel from Earth to the largest structure in space?

• A. Earth → Galaxy → Solar System → Universe

• B. Solar System → Universe → Galaxy → Star

• C. Earth → Solar System → Galaxy → Universe

• D. Universe → Galaxy → Earth → Solar System

Tags

NGSS.MS-ESS1-3

Naasson and Makayla are stargazing one night and notice stars of different colors. Naasson asks, "What does the color of a star tell us about its temperature?"

• Red stars are the hottest, blue stars are the coolest

• Blue stars are the hottest, red stars are the coolest

• Yellow stars are the hottest, white stars are the coolest

• Color doesn't relate to temperature

Tags

NGSS.HS-PS4-3

Sherman and Journee are stargazing one night. Sherman notices a star that appears brighter in the night sky than another star...

• Must be larger

• Must be hotter

• Must be farther away

• Might be closer or have greater luminosity

Jahmiyah and Railan are discussing about the universe. What is true about galaxies in the universe?

• There is only one galaxy in the universe

• Galaxies contain planets but not stars

• Each galaxy contains billions of stars

• Galaxies are made entirely of moons

Charles and Journee are talking about the scientific method. Which statement is correct?

A) The scientific method is a strict set of steps that must always be followed in the same order.
B) The scientific method always proves a hypothesis to be correct.
C) The scientific method is a flexible process used to investigate questions and solve problems.
D) Once a conclusion is reached, there is no need for further testing or investigation.

Tags

NGSS.MS-ETS1-1

Uriyah and Saniya are discussing about galaxies. Which of the following is true about galaxies?

• The Sun is the largest object in a galaxy

• Stars are larger than galaxies

• Galaxies are collections of stars, gas, and dust

• The Milky Way is a star

Tags

NGSS.MS-ESS1-2

During a science class, Danyale and Naasson were discussing planets. Danyale asked, "Which planet is known for having a thick atmosphere and surface temperatures hot enough to melt lead?"

• Earth

• Mars

• Venus

• Neptune

Ganessa and Paris are comparing planets in our solar system. Ganessa says, "Compared to Earth, Jupiter has..."

• A thinner atmosphere

• Stronger gravity and more moons

• Lower temperature and faster orbit

• Slower movement and higher speed

Tags

NGSS.MS-ESS1-2

Lailah and Jakeen are observing the night sky. They notice that the Moon looks different on different nights. What causes the phases of the Moon?

• Earth’s rotation

• The Sun’s movement

• The changing positions of the Earth, Moon, and Sun

• The Moon’s gravity pulling on Earth

Tags

NGSS.MS-ESS1-1