2ElementaryKidsAges 7-9Science

Super Hot Glow Inside a Big Machine!

Scientists made a video of hot, glowing light inside a big machine. The light has pretty pink and green colors. It could help make clean energy one day!

1 min readLevel 2October 2, 2026

By Flalingo Editorial Team

Vocabulary

Study these words before reading the article. Click the audio button to hear pronunciation.

camera

/ˈkæm.ər.ə/

noun

A tool that takes pictures or makes videos.

“I took a picture with my camera.”

glow

/ɡloʊ/

verb

To give off soft, warm light.

“The stars glow in the night sky.”

energy

/ˈen.ər.dʒi/

noun

Power that makes things work or move.

“We need energy to run and play.”

machine

/məˈʃiːn/

noun

A thing made to do a job or work.

“The machine in the room is very big.”

bright

/braɪt/

adjective

Full of light or strong color.

“The sun is very bright today.”

clean

/kliːn/

adjective

Not dirty. Good for the world around us.

“We like to keep our park clean.”

Listen to Article

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Article

Click on any underlined word to see its definition. Highlighted words are from the vocabulary section.

Scientists made an amazing video! They used a very fast camera. The camera took many pictures each second. It filmed hot, glowing gas. The gas is called plasma. It was inside a big machine!

The plasma glowed pink and green. The pink came from a special gas. Small bits of a metal went in. They made bright green and red light. The colors help scientists learn new things.

The big machine is very hot inside. Scientists want to use this energy. It could make clean power one day. That would help our planet a lot. This video is a big step!

Comprehension Quiz

Test your understanding of the article with these multiple-choice questions.

1
What did the scientists use to film the plasma?
2
What color did the plasma glow?
3
What is the hot gas called?
4
What could this energy do for our planet?

Discussion

Answer these comprehension questions about the article.

1
What did the scientists film inside the machine?
2
What colors did the plasma glow?
3
What is the hot gas called?
4
What did the small bits of metal make?
5
What could this energy do one day?

Further Discussion

Share your opinions on these open-ended questions.

1
What is your favorite color of light?
2
If you were a scientist, what would you study?
3
Can you think of machines you use at home?
4
What would you do if you could make energy from light?
5
What is something you think is amazing about science?

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