Cells
States of Matter
Particle Theory
Solutions
General Skills
100
Nucleus
What is the control centre of each cell?
100
They can both flow.
What makes liquids and gases similar?
100
They are packed close together in formation.
How are the particles arranged in a solid?
100
Pure substance
What is a substance that contains only one type of particle?
100
Observation
What is the scientific name for something you see?
200
Cytoplasm
What is the jelly-like substance in which chemical reactions take place?
200
Very dense.
Compared to liquids and gases, how dense are solids?
200
They move over one another.
How do particles move in a liquid?
200
Solvent
What is a liquid in which a solute can dissolve?
200
Theory
What is the scientific name for an idea to explain our observations?
300
Cell membrane
What is the thin coating around a cell that lets substances in and out?
300
Melting
What is the name of the process when a material goes from a solid to a liquid?
300
Diffusion
What is the name of the process when gas or liquid particles spread out?
300
A method of separating dissolved dyes
What is chromatography?
300
Safety goggles
What should you always wear when heating a liquid?
400
Cell wall, vacuole and chloroplasts
What do plant cells have that animal cells don't?
400
Condensing
What is the name of the process when a material goes from a gas to a liquid?
400
They can only rock from side to side.
How do particles move in a solid?
400
Evaporation
What is the method of separating a solute from a solution?
400
Close the hole completely.
How do you make a Bunsen burner produce a yellow safety flame?
500
No nucleus to carry more oxygen.
What is special about red blood cells that makes them adapted to their job?
500
Change of state
What is it called when a material goes from one state to another?
500
They whizz around faster and faster.
How does the movement of gas particles change as the temperature is increased?
500
Mix with water, filter the mixture, then evaporate the water.
What is the method for spearating a soluble substance from an insoluble substance?
500
Mr. Silsby
Who is the best teacher in the whole wide world?
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