What is Matter?
Anything that has mass and takes up space.
What is a compound?
A molecule made of two or more different kinds of elements.
What sentence in this paragraph gives an example of the Law of Conservation of Matter
The 4th Sentence: All that remained of the books and magazines were ash, water vapor, and carbon dioxide fumes.
Min is conducting an experiment where he compares the properties of water and lemonade. The first stage of the experiment is focusing only on the physical properties of the water and lemonade. Which comparison point would Min not use in the first stage?
A. Color
B. Conductivity
C. Flammability
D.Boiling Point
C. Flammability
What is the mathematical formula for Density?
Density = Mass/Volume
What is a substance?
a single kind of matter that has a specific makeup, or composition
What is the difference between mass and weight?
Mass is constant.
Weight depends upon gravity.
Based on the chart. How much would a dog weigh on the moon
25 lbs. (1/6th of the weight on Earth)
Which Items from the List are Pure Substances?
Air
Smog
Oxygen
Sugar
Coffee
Chocolate Milk
Oxygen and Sugar are Pure substances
Based on the chart, which item would sink to the bottom?
Honey
What is a physical property?
A characteristic that can be observed without changing the matter into another type of matter.
What is density?
The measure of how much mass of a material is in a given volume.
A girl put together a chart of her weight on other planets. Based on this chart, what would be her weight on Earth.
100 lbs.
Which Items from the List are Mixtures?
Air
Smog
Oxygen
Sugar
Coffee
Chocolate Milk
Air, Smog, Coffee, and Chocolate Milk
Assuming a volume of 3ML, calculate the density of each fluid
Rubbing Alcohol = 0.8 grams per cm3
Milk = 1.04 grams per cm3
What is an atom?
The basic unit from which all matter is made.
What is volume?
The amount of space something takes up.
Based on this molecule diagram, what is the chemical symbol for Sulfuric Acid.
H2SO4
Iron Rusting is an example of . . .
A. a change from solar energy to chemical energy
B. a change in matter that produces new substances
C. a change from a liquid state to a gas state
D. a change in form or appearance of matter
B. a change in matter that produces new substances
Chicken Noodle soup is a . . .
A. Heterogeneous Mixture
B. Homogeneous Mixture
A. Heterogeneous
What is a molecule?
a group of two or more atoms held together by chemical bonds.
What is Law of Conservation of Mass?
No atoms are created or destroyed in a chemical reaction. They are only reorganized.
Crushing Aluminum cans would be a change in
A. Chemical Bonds
B. Matter that produces new substances
C. A change in Mass
D. A change in form only
D. a change in form only
What is a chemical property?
A characteristic that describes something's ability to become something else.
Orange Juice is a . . .
A. heterogeneous mixture
B. homogeneous mixture
B. homogeneous mixture