Vocabulary
Anything that has mass (weight) and takes up space.
MATTER
Is a melted popsicle an example of a physical change?
YES
Is rust an example of a chemical change?
YES
True or False. If you know the weight of a portion of an object than you CANNOT determine the weight of the whole object?
FALSE
These are the characterstics of an object and you use your senses to identify them.
PHYSICAL PROPERTIES
Is Alka-Seltzer and water an example of a physical change?
NO
Name the two indicators of a chemical change.
Color change, bubbles, temperature change, etc.
Name the 3 types of matter.
SOLID, LIQUID, GAS
Type of change where a new substance is created.
CHEMICAL CHANGE
Name a food that is an example of a physical change.
SALAD or TRAIL MIX
Name a food that is an example of a chemical change and explain why.
CAKE, because you cannot turn a cake back into the eggs, flour, sugar, etc.
These particles can move freely and will take the shape of any container you put them in.
LIQUID
A type of change where the substance stays the same, but size and shape may change.
PHYSICAL CHANGE
True or False. Turning peanuts to peanut butter is an chemical change.
FALSE
These particles move rapidly and freely wherever there is open space.
GAS
This state of matter keeps a definite shape.
SOLID
CHALLENGE (not a quiz question): Explain how the water cycle an example of a physical change.
Because water changes from a liquid/solid when it precipitates, to a gas when it evaporates, then forms back into a liquid when it condensates. Then the process repeats again with the same substance, WATER!
Identify 1 example of a solid, liquid, and gas.
Solid- desk, book; Liquid- water, lemonade; Gas- helium, air.