Unit 8.4 Study Guide Check 2025 (MiStar)

Which space object is characterized by an irregular shape and often has a tail or halo?

• Asteroid
• Meteoroid
• Comet
• Star

How do scientists typically identify unknown objects in space?

• By color alone
• By comparing characteristics like brightness, composition, and orbit
• By size only
• By random guessing

What happens to gravitational force as mass increases?

• Gravitational force decreases
• Gravitational force remains constant
• Gravitational force increases
• Gravitational force becomes unpredictable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What indicates that forces on an object are balanced?

• The object is moving quickly
• The object is spinning
• The object has no motion
• The object is changing direction

Which space object is smaller in diameter and made of rock and dust?

• Asteroid
• Comet
• Meteoroid
• Planet

Tags

NGSS.MS-ESS1-3

What happens to gravitational force as distance increases?

• Force increases
• Force remains constant
• Force decreases
• Force becomes random

Which is an example of an inward-acting force causing circular motion?

• A car driving straight
• A satellite orbiting Earth
• A book sitting on a table
• A person walking

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

How are the solar system and Milky Way similar in formation?

• They were created instantly
• They formed from dust and gas clumping together
• They appeared from nothing
• They were created by aliens

Why would your weight be different on different planets?

• Planets have different colors
• Planets spin differently
• Planets have different gravitational pulls due to different masses
• Planets are different distances from the sun

Tags

NGSS.MS-PS2-4

What shape do asteroids typically travel in?

• Elliptical
• Rectangular
• Triangular
• Circular