2.1 cells science

Question	Answer
1. What must the specimen being looked at be to let the light pass through it easily?	It must be very thin. Image: Unknown (binary/octet-stream)
2. What is a light microscope that has two ocular lenses? Image: 3 S2.0 B9780081000229000062 F06 01 9780081000229 (binary/octet-stream)	Binocular microscopes.
3. What do microscopes allow us to do?	Microscopes allow scientists to see the tiny building blocks that make up living things. Image: Microscopy Feature Lead (image/jpeg)
4. What is a specimen?	A specimen is a sample of something, like a specimen of blood or body tissue that is taken for medical testing. Image: Specim00 (binary/octet-stream)
5. What is the image?	What you see through the microscope is called the image.
6. What are the lenses found in a light microscope called?	The objective lens and the ocular lens. Image: B346010233ac493b90c3ebb25fe5a710 (binary/octet-stream)
7. How do you see the image when using a stereo microscope?	The image you see is in three dimensions. Image: Shutterstock 1597847851 1 (image/jpeg)
8. What is a stereo microscope mainly used for?	A stereo microscope is often used to examine and dissect small plants or animals, etc. Image: Mason Bee 2 (image/jpeg)
9. How does the magnification of the microscope work?	It tells you how much bigger the image is than the real object.
10. How are electrons more powerful than light microscopes?	They use beams on tiny particles called electrons instead of light, and are able to magnify up to a million times.
11. What are the two types of electron microscopes?	Transmission electron microscopes scanning electron microscopes. Image: Ata Scanning Electron Microscopes (image/jpeg)
12. What is the field of view?	How much you see of the specimen when you look down a microscope.
13. Which microscope does light reflects off the specimen?	The stereo microscope.
14. What is a micrometre?	A micrometre is one-thousandth of a millimetre, or one-millionth of a metre. It is the unit most often used by scientists to measure microscopic objects. Image: Micrometer Measurements 1175x900 1 (image/jpeg)
15. What does TEM stand for?	Transmission electron microscope.
16. What does SEM stand for?	Scanning electron microscope.
17. What does the fine focus knob do?	It is used to focus the image on high power.
18. What is a monocular microscope?	It is a type of light microscope that has only one eyepiece or ocular lens. Image: Mi Sp167 84288.1503517905 (image/jpeg)
19. What is the meaning of magnified?	To make something appear larger than it is, especially with a lens or microscope.
20. What does objective lens do?	It magnifies the image.

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	Created by Ilyana Hishammudin almost 5 years ago