Properties
You can't see through it at all
Opaque
What do you know is produced if bubbles are created during a reaction?
Gas (Air)
Do you have a new substance after a physical change?
No
How many Carbon atoms are in a molecule of sugar - C6H12O6
6 atoms of carbon
What is the name of the chart that organizes all known materials in the universe?
The Periodic Table of Elements.
Light passes through it but you can't see through it clearly
Translucent
If the thermometer shows a different number before and after the reaction, what do you know has changed?
Temperature
YES! (so is freezing)
What is true about the types of atoms present before and after a chemical reaction?
The types of atoms are the same
What is the smallest building block of matter?
Atom
You can see through it clearly
Transparent
What is created in a Chemical Reaction?
A new substance
What do you call it when you mix sugar or salt in water and it looks like it disappears?
Dissolving
What is true about the number of atoms present before and after a chemical reaction?
The numbers of atoms before and after a chemical reaction are the same.
What is the measurement of the amount of matter, usually measured using a scale or balance with units like grams or milligrams?
Mass
3 states of matter
Solid, Liquid, Gas
Can you reverse a Chemical Reaction?
Answers vary
What does the Law of Conservation of Matter say?
In a chemical reaction, atoms are never created or destroyed, though they may rearrange into new molecules.
What are atoms bound together to form?
Molecules?
A characteristic or descriptive detail of a substance, for example: texture, color, or hardness
Property
Name at least 2 mixtures we have performed in class that resulted in a chemical reactions.
Answers vary.
What is a physical change that we performed in class?
Answers vary.
EXPLAIN how our "create a creature" project illustrated the Law of Conservation of Matter.
answers vary.
What are the 3 components of atoms?
Protons, neutrons, and electrons