How does a thermometer work?
The hotter a substance, the faster its molecules move taking up more space. The thermometer has a liquid that expands as it gets heated up. Then the level of liquid rises in a narrow tube. A scale beside the tube helps us read the temperature.
Related posts:
Who was the first astronaut? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
Which was the biggest carnivore? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
Do buildings have skeletons? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
Why do human beings have two nervous systems? Complete General Knowledge Question and Answer for Cla...
General Knowledge
Who did the first aerial crop-dusting-mechanized agricultural farming?
1st in the World
Can comets collide with planets? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
Do you know “Mango Festival”.
Do you know
GK Question "Why Do Salmon Go Up Stream To Spawn?" general knowledge book English 2021 current affai...
General Knowledge
What is E.S.P? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 St...
Uncategorized
When did dinosaurs die? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
Did dinosaurs sit on their eggs to hatch them? Complete General Knowledge Question and Answer for Cl...
General Knowledge
How many kinds of apples are there? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
Were the Celts able to read and write? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
GK Question "How Do Insects Perform Breathing?" general knowledge book English 2021 current affairs ...
General Knowledge
What is the length of the human intestine? Complete General Knowledge Question and Answer for Class ...
General Knowledge
Were there surgeries in ancient times? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
What gods did the Babylonians worship? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
When did puppet shows originate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
What is hard water? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
Which animal abandons its babies very early? Complete General Knowledge Question and Answer for Clas...
General Knowledge
