States of Matter
Define Matter
What is anything that has mass or takes up space and is made up of tiny particles that are sometimes too small to see?
Centimeters belong to this measurement system
Select the type: A salad with different ingredients visible is a __________ mixture (homogeneous or heterogeneous?)
Substances with a pH level of 0-7.
What are acids?
Ms. Chandler's favorite color
This state of matter keeps its shape and may not fill the whole container.
What is a solid?
Inches belong to this measurement system.
What is the US Standard/Imperial system?
If salt dissolves in one clear liquid but not in another that looks the same, what conclusion from the test aligns with the unit test observations?
They are not the same liquid.
Substances with a pH of 7-14.
What are bases?
Ms. Chandler uses this type of writing tool to grade.
What is a marker?
Name the process when liquid water becomes a gas because particles move faster and spread out.
Which unit from the list would you use to measure the length of a pencil: centimeters or meters? Explain your choice in one sentence.
List two everyday examples of mixtures. For each, say whether it is homogeneous or heterogeneous.
Answers Vary
This pH number is considered neutral.
What is 7?
This should be on the top of every assignment.
What is a name?
Provide an example of a gas that is not air or oxygen.
What is helium, hydrogen, nitrogen, carbon dioxide?
The measurement unit of "cups" belongs to this measurement system.
What is US Standard/Imperial system?
This is the chemical reaction that takes place when you mix baking soda and vinegar.
What are bubbles and Co2 (Carbon Dioxide)?
List two signs of a chemical reaction.
Color change, Temperature change, Bubbles forming, New smell, Light produced, Solid forming (precipitate)
Tell the class a fun fact about yourself
Fun Fact
A sample of water is in a container and then frozen. Predict what happens to the water level.
What is "it will rise"?
Some rulers have both of these measurement units on them.
What are inches and centimeters.
Describe the differences between physical changes and chemical reactions.
Physical- same substance. Chemical reaction - two or more substances combined that create a new substance.
Describe what happens when you combine milk and lemon juice.
The lemon juice causes the milk to curdle which is a chemical reaction because a new substance has been made
This is the school we attend.
What is E.P. Todd?