Vocabulary: Space, The Universe & Astronomy

Vocabulary B1/B2

Space and The Universe

The exhaustive master guide to astronomy! Select the tabs below to switch between the solar system, deep space, exploration, and cosmic idioms.

Cosmic Idioms 🎬

Watch Teacher Sopheak explain how native speakers use space vocabulary to talk about everyday life! Listen closely to the explanation of Once in a blue moon and Over the moon.

Vocab Check ⚡

ត្រួតពិនិត្យពាក្យ ⚡

Definition Match

Which word means "everything that exists anywhere"?

(តើពាក្យមួយណាមានន័យថា "អ្វីៗទាំងអស់ដែលមានស្រាប់នៅទីណាក៏ដោយ"?)

Vocab Check ⚡

ត្រួតពិនិត្យពាក្យ ⚡

Tool Match

A vehicle used for traveling in space is called a...

(យានជំនិះដែលប្រើសម្រាប់ធ្វើដំណើរក្នុងលំហអាកាសត្រូវបានគេហៅថា...)

IDIOM TRAP ❌

If someone says "It is not rocket science", what do they mean?

(ប្រសិនបើនរណាម្នាក់និយាយថា "It is not rocket science" តើមានន័យដូចម្តេច?)

Vocab Check ⚡

ត្រួតពិនិត្យពាក្យ ⚡

Preposition Check

The earth revolves ___ the sun.

(ផែនដីវិលជុំវិញព្រះអាទិត្យ។)

Vocab Check ⚡

ត្រួតពិនិត្យពាក្យ ⚡

Idiom Meaning

If you are "over the moon", you are...

(ប្រសិនបើអ្នកមានអារម្មណ៍ "over the moon" តើអ្នកមានអារម្មណ៍យ៉ាងណា?)

Observation Mission 🎯

អនុវត្តជាក់ស្តែង!

Look up 🌌 Look at the night sky tonight. Name three things you can see in English (e.g., Star, Moon, Planet).

Writing Mission 🎯

អនុវត្តជាក់ស្តែង!

Favorite Planet ✍️ Write one sentence describing your favorite planet in the solar system. (e.g., "Mars is known as the red planet.")

Speaking Mission 🎯

អនុវត្តជាក់ស្តែង!

Voice Note 🎤 Record yourself saying this sentence clearly: "The astronaut launched the rocket into deep space."

Ask a Question 🙋‍♂️

តើអ្នកមានចម្ងល់មែនទេ? សួរគ្រូនៅទីនេះ!

U

Recent Questions

S

Sokha 3 hours ago

Teacher, what is the exact difference between a Comet and an Asteroid?

Reply 👍 15

SP

Sopheak Pich Teacher 1 hour ago

Hi Sokha! A comet is mostly made of ice and dust, so it has a "tail" when it gets near the sun. An asteroid is made of solid rock and metal. ☄️

V

Vireak 5 hours ago

Do I say "in space" or "on space"?

Reply 👍 8

SP

Sopheak Pich Teacher 4 hours ago

Always use "IN space". Because space is a vast area, you are floating inside it, not standing on top of it. However, you do stand "ON a planet". 🚀

M

Maly 8 hours ago

What does the idiom "Many moons ago" mean?

Reply 👍 10

SP

Sopheak Pich Teacher 7 hours ago

"Many moons ago" is a beautiful, poetic way to say "A long time ago". It refers to the passing of many lunar cycles. 🌕