Astronomy Vocabulary Quiz

What is the main star at the center of our solar system?

• Polaris

• Sun

• Sirius

• Betelgeuse

Answer explanation

The main star at the center of our solar system is the Sun. It provides light and heat, making it essential for life on Earth, unlike Polaris, Sirius, and Betelgeuse, which are distant stars.

Tags

NGSS.MS-ESS1-1

Which term describes a person who studies stars and other celestial bodies?

• Biologist

• Geologist

• Astronomer

• Chemist

Answer explanation

An astronomer is a scientist who studies stars, planets, and other celestial bodies. The other options—biologist, geologist, and chemist—focus on life, Earth, and chemical substances, respectively.

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NGSS.MS-ESS1-2

Which of the following is a model of our solar system?

• A globe

• A telescope

• A solar system mobile

• A microscope

Answer explanation

A solar system mobile is a model that visually represents the planets and their orbits around the sun, making it the correct choice. A globe, telescope, and microscope serve different purposes and do not model the solar system.

Tags

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What is the process of forming a mental image of something called?

• Visualizing

• Investigating

• Calculating

• Measuring

Answer explanation

The process of forming a mental image of something is called visualizing. This term specifically refers to creating a visual representation in one's mind, making it the correct choice among the options provided.

Which of the following is NOT a planet in our solar system?

• Mars

• Venus

• Orion

• Jupiter

Answer explanation

Orion is not a planet; it is a constellation. Mars, Venus, and Jupiter are all recognized planets in our solar system.

Tags

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What is the purpose of an investigation in science?

• To memorize facts

• To explore and find answers

• To draw pictures

• To write stories

Answer explanation

The purpose of an investigation in science is to explore and find answers to questions about the natural world, rather than just memorizing facts, drawing pictures, or writing stories.

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Which of the following best describes the solar system?

• A group of stars in the galaxy

• A collection of planets orbiting a star

• A single planet with no moons

• A cluster of galaxies

Answer explanation

The solar system is best described as a collection of planets orbiting a star, specifically the Sun. This definition accurately captures the structure and components of our solar system.

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What is the term for a representation used to explain a concept or system?

• Diagram

• Model

• Equation

• Hypothesis

Answer explanation

A 'model' is a representation used to explain a concept or system, often simplifying complex ideas for better understanding. While diagrams and equations can aid in explanation, a model encompasses a broader conceptual framework.

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Which of the following activities involves visualizing?

• Reading a book

• Solving a math problem

• Imagining the layout of the solar system

• Writing an essay

Answer explanation

Imagining the layout of the solar system requires visualizing the positions and relationships of celestial bodies, making it the only activity that explicitly involves visualization among the options.

Tags

NGSS.MS-ESS1-1

What is the primary source of light and heat for the planets in our solar system?

• The Moon

• The Sun

• The Earth

• The Milky Way

Answer explanation

The primary source of light and heat for the planets in our solar system is the Sun. It provides the necessary energy that sustains life and drives weather patterns on Earth and other planets.

Tags

NGSS.MS-ESS1-1