Vocabulary
What is the key difference between chemical and physical change.
What is creation of one or more new substances.
Turning something into a powder is an example of what shape/form deformation?
What is grinding or crushing.
Name a indicator of a chemical change.
What are colour change, bubbles, temperature change, formation Precipitation, odour, light and sound.
Name an action in cooking that is a physical change.
What is, chopping, grating, crushing, mixing, kneading, rolling, melting, freezing, dissolving, ...
True or False. Turning peanuts into peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.
Define a solid.
What is, a solid has a fixed shape and fixed volume.
What needs to be added or taken away to cause a phase change.
What is energy
Use a baking as an example of chemical change?
E.g. you cannot turn a cake back into the eggs, flour, sugar, etc. that you baked together.
How do you use phase changes to separate a solute and solvent?
CHALLENGE (Double points) Explain how a rocket launch is an example of a chemical change.
What is the fuel combines with another chemical to produce large volumes of a hot gas to propel the rocket?
What is the measurement of how much mass is packed into a given space or volume?
What is Density