States of Matter
Chemical Reactions
Elements
Terms
Interpreting Graphs
100
A state of matter with no definite shape or volume, where particles are far apart and move freely.
What is a gas?
100
to test something in order to determine or discover something new
experiment
100
How would you classify a substance that is typically sour, and has corrosive properties? (Meaning it eats away at other substances)
An acid
100
Two or more substances that mixed together but can be separated EASILY. (trail mix, fruit salad) The substances keep their identities when they are mixed.
Mixture
100
Based on the data displayed below, what is the largest amount of recyclable waste?
Ewaste
200
The process of changing a liquid into a solid by removing heat.
What is freezing?
200
A change that occurs when one or more substances change into entirely new substances with different properties.
What is a chemical change?
200
a clear gas we breath out and that plants breath in
Carbon dioxide
200
Anything that has mass and takes up space
Matter
200
Rank these items from least dense to the most dense based on the image.
Least Dense- Cork
Middle Density- Wood
Most Dense- Aluminum
300
matter in which the molecules are tightly packed together in a fixed pattern, giving it a definite shape and size
What is a solid?
300
How might the baking soda and vinegar reaction affect a sealed Ziploc bag?
The production of carbon dioxide gas can cause the bag to inflate and potentially burst due to increased pressure.
300
The substance in which the solute is dissolved to form a solution.
Solvent
300
A characteristic of a substance that can be observed or measured without changing its identity.
Physical Property
300
What can you conclude about the amount of daylight hours in the summer months based on this graph?
The daylight length is shorter in summer based on the data in this graph.
400
when one substance mixes with another and it looks like it disappears into the liquid
What is dissolves?
400
What happens if a steel nail is added to a solution of vinegar, salt, and copper pennies?
The outer layer of copper is transferred to the steal nail and coats the nail in a layer of copper.
400
What gas is given off when you combine vinegar and baking soda?
Carbon Dioxide
400
The amount of space that a substance occupies, usually measured in liters or cubic centimeters.
Volume
400
What is the change in volume after the rock is added to the liquid?
A change of 10 ML
500
a very tiny piece of matter that is often too small to be seen
What is a particle?
500
Will pennies weigh more or less after soaking in salt and vinegar for a day? Explain your answer.
They will weigh less because the outer layer of copper will dissolve into the solution, which means they will weigh less.
500
The substance that is dissolved in a solution.
Solute
500
The amount of matter in an object, typically measured in grams or kilograms.
Mass
500
Make a claim about the densities of the liquids you see here.
Answers will vary