Vocabulary
Physical Change
Chemical Change
Atoms
100

The smallest unit of matter that has unique characteristics and a unique number of protons

What is an element?

100

WHY 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.

100

WHY 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. It also shows a color change, and something new is made. 

100

These small particles circle around the nucleus and are negatively charged

What are electrons

200

A group of atoms joined/bonded together in a particular way

what is a molecule

200

Is baking soda and vinegar an example of a physical change?

What is NO?  bubbles form, which indicates a chemical change as taken place.

200

Name two indicators (signs) of a chemical change.

What are color change, bubbles, temperature change? New substance, etc. 

200
Which two particles are heavy and found in the nucleus

what are protons and neutrons

300
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
300

Name a food that is an example of a physical change.

What is a salad or trail mix? Fruit salad? Pico de Gallo? Pretzels and chips mixed?? You get the idea

300
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?
300
What part of the periodic table tells you how many protons are in an atom

What is the atomic number

400
A type of change where the substance stays the same, but size and shape may change.
What is a PHYSICAL CHANGE?
400
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?
400
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.
400

How many unique elements are there in C6H12O3

What is 3

500
These are the characterstics of an object and you use your senses to identify them.
What are PHYSICAL PROPERTIES?
500

CHALLENGE 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!

500

CHALLENGE (not a quiz question) Explain how a rocket launch is an example of a chemical change.

What is the fuel combines with another chemcial to produce large volumes of a hot gas that propel the rocket into space?

500

How many elements are there on the periodic table as of today

118

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