Changing States of Matter
Evaporation
What process would you use to separate rocks from sand on a beach?
Sifting
What is the element compound for water?
H2O
Solute
What is it called when a solid becomes a liquid?
Melting
What process would you use to separate coffee grounds from coffee?
Filtration
What is the element compound for carbon dioxide?
CO2
What is the universal solvent?
Water
What temperature is added to create condensation?
Heat
What process would you use to separate nails from wood chips?
Magnetism
He
Tacos are a mechanical mixture. True or False?
True
What temperature is the boiling point for water in degrees Celsius?
100
What process would you use to separate salt from saltwater?
Evaporation/Distillation
What is the period letter for potassium?
K
Is vinegar a pure substance or a mixture?
Mixture
Heat
What process would you use to extract essential oils from pure substances in flowers?
Distillation
What is the period letter(s) for gold?
Au
What is the positively charged region at the centre of an atom?
Nucleus