Name three examples of a physical change
What is cutting, breaking, dissolving, phase change, mixing, folding
What is anything that you can touch
What are atoms
What is the building blocks of all matter
Where are all the elements organized
The periodic table
What are two types of mixtures, describe each
What is lots of different things, Mrs. Martin decides
Name three examples of a chemical change
What is burning, rusting, tarnishing, rotating, spoiling, chemical reaction.
Say the Law of Conservation of Matter
What is matter cannot be created or destroyed, it only changes form
DAILY DOUBLE! What are subatomic particles
What are the parts that make up an atom
How many elements are on the periodic table and how are they organized
What is 118 and by their physical makeup
A chemical equation uses a what to indicate a reaction that has occurred
What is an arrow
Define a physical property
What is a characteristic of a pure substance that can be observed without changing it into a new substance.
Define a substance
What is a single kind of matter that is pure
Are protons positive or negative
What is an element
What is a pure substance that can't be broken down into any other substance by physical or chemical means
_________ is being added or taken away during a chemical reaction
What is heat
Define a chemical property
What is a characteristic of a pure substance that describes its ability to transform into different substances.
Define matter
What is anything that has mass and takes up space
Are electrons positive or negative
What is negative
What does the atomic mass and number tell us
what is the atomic number tells us how many protons and electrons there are, and the atomic mass tells us how dense it is.
What is acidic, neutral, and basic
If Mrs. Martin were to chop a beef tenderloin and cook it for dinner, would that be physical or chemical
What is it would be both
Define chemistry
What is the study of matter and how it interacts
Are neutrons positive or negative
What are neither, they are neutral
Why does the United States, and other countries, rely on each other to produce their devices
What is because other countries are more rich in minerals than others
Identify four examples of how you would know a chemical reaction is occurring
Bubbles, heat, explosion, fire, and other stuff like that