Definitions
Lab Reports
Elements
Compounds and Mixtures
Types of Mixtures
100
What is MATTER?
Everything you can see, feel, touch, smell, taste. Anything that has mass and takes up space.
100
Why do we write lab reports?
To communicate information
100
This is the name of the chart where I find all the elements?
Periodic chart
100
What do you call the new substance that is formed when two or more elements bond together?
A compound
100
If a mixture is uniformly mixed, it is a ________________________ mixture?
Homogeneous
200
The first step in writing a lab report?
Title
200
What do we call the "If...Then..." statement in a lab report?
Hypothesis
200
How many elements are there?
112
200
When atoms join together and act as a whole, it is called this?
A molecule
200
A ___________________ is a homogeneous mixture.
Solution
300
What is mass?
the amount of material something is made up of
300
Why do we need to be specific when listing the materials?
So that we have the right amounts to do the experiment
300
An element is made up of what?
Only one kind of atom
300
What is a "pure substance"?
Matter that has a set number of parts and set properties.
300
This is considered the universal solvent?
Water
400
What is a property?
a characteristic that helps identify a substance
400
Why might I put a graph in the results?
To help show my results. To make the data more clear.
400
What are the two groups in which we can divide all the elements?
Metalsw and nonmetals
400
What is a mixture?
A combination of two or more pure substances
400
What kind of mixture has particles that are so large that they settle out?
suspension
500
What is volume?
The amount of space that something takes up
500
If my data does not support the hypothesis, my experiment is a failure. True or false?
False. I can get some great information, even if it not what I expect.
500
Name 3 properties of a metal?
1. shiny 2. can conduct heat and electricity 3. can be formed into usable forms
500
Mixtures can be mixed up and then _______________?
Separated
500
Gelatin is an example of this type of mixture?
Colloid
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