Vocabulary
Anything that has mass (weight) and takes up space.
What is MATTER?
Is a melted popsicle an example of a physical change?
What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.
Is rust an example of a chemical change?
What is YES? You cannot change rust back into the metal is was before; therefore, it is a chemical change.
A __________________ is a change in which a new solution is not found
Physical Change
What are some different ways that you can make a physical change to piece of string?
tie, cut, make shape
Name the two indicators of a chemical change.
What are color change, bubbles, temperature change?
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
Name a food that is an example of a physical change.
A salad or trail mix?
Name a food that is an example of a chemical change and explain why.
What is a cake, because you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together?
A ____________________ is a combination of two or more substances that keep their own identities.
Mixture
Explain how water could be an example of a physical change.
What is freezing and melting water to and from ice is an example of a physical change?
True or False. Turning peanuts to peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.
A _________________ is a mixture with evenly mixed substances. It becomes one...
Solution
CHALLENGE (not a quiz question): Explain how the water cycle an example of a physical change.
What is YES, it is 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!