Flashcards
UNIT 2.1
Flashcards do conjunto (20)
- 11.What are the 3 states of matter?1. Solid
2. Liquid
3. Gas - 22.What is compressed?To squash an object or
make it smaller. - 33.What is incompressible?Unable to be made smaller.
- 44.What is an odour?A scent released by a gas.
- 55.What is the 4th state of matter?The 4th state is plasma.
- 66.What is biodegradable?Biodegradable is when organic foods
are broken down by bacteria. - 77.What is non-biodegradable?Non- biodegradable are hand made
materials that take hundreds of years to
break down. - 88.Give an example of biodegradable materials.Fruit, Vegetables, Wood, Twigs and
Leaves. - 99.Give an example of non-biodegradable materials.Plastic, Lollie wrappers and any
other plastic materials. - 1010.What are physical properties?Properties that describe characteristics
of a substance like it's appearance. - 1111. What are chemical properties?Substances that react with each other.
- 1212. Name four properties of solid?1. A fixed shaped
2. Incompressible
3. Fixed shape
4. Sinks - 1313. List four properties of liquid?1. Fixed shape and volume
2. Takes the shape of its container
3. It's incompressible
4. It is able to flow freely - 1414. Gases are often what?1. Odourless, colourless and invisible
2. No fixed volume and shape
3. Takes containers shape
4. Compressible - 1515. Where in the world would you b able to find plasma?High voltage sparks; like lightning bolts or a plasma sphere. -
- 1616. State weather these following are solids, liquids or gas?1. A sugar cube is solid
2. Ink is liquid
3. Air is gas - 1717. Is shaving foam a solid or liquid?It is liquid because it has some properties of solids and liquid.
- 1818. How do gases differ from solids and liquid?Gases differ from solids and liquids in that they can be compressed. This property allows the gases to be squeezed
into small volume such as barbecue gas cylinder. - 1919. Why is plasma rarely found on earth?Plasma is a gas-like state that only exists at temperatures above 6000°C making it common on stars and not here.
- 2020. Which term best describes a combined push of gas particles bouncing off the walls of their container?It is called pressure.
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- Solid Liquid Gas Plasma 20 Questions 20 Answers
- Criado por
- Assged Abdalla
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