Show:
Vocabulary
Physical Change
Chemical Change
Matter
Macromolecules
100
Anything that has mass (weight) and takes up space.
What is MATTER?
100
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
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.
100

All matter is made up of what particles?

Atoms/Elements

100

Which is the only macromolecule with P atoms?

Nucleic Acids

200
These are the characterstics of an object and you use your senses to identify them.
What are PHYSICAL PROPERTIES?
200
Is Alka-Seltzer and water an example of a physical change?
What is NO? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
200

Name the types of evidence of a chemical change.

What are color change, gas production, temperature change, solid percipatate?

200

Name the 3 states of matter.

What are SOLID, LIQUID, GAS?

200

What are two types of Nucleic Acids?

DNA and RNA

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?
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

According to the law of conservation of mass, matter cannot be ___________ or destroyed.

What is Created?

300

Carbohydrates are made of these elements

C, H, O

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

True or False:  Light is matter

What is False.

Light is energy

400

Functions of Proteins

Structural support, transport, growth and repair

500

The type of observation with measurements.

Quantitative measurments

500
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!
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 types of atoms are in the chemical formula:  C₆H₁₂O₆ ?

3

500

How many Total oxygen atoms are in the reactants of the chemical equation:  6CO2 + 6H2O → C6H12O6 + 6O2 

18 atoms of Oxygen