Vocabulary
pH
Elements, Compounds, Mixtures, or Solutions
States of Matter
Physical & Chemical Changes
100
anything that has mass and takes up space
What is matter?
100
lemon juice (acid or base, strong/weak)
What is a strong acid
100
NaCl
What is a compound
100
particles are tightly packed and cannot move around much
What is a solid?
100
a way to find the volume of solids or irregular shaped objects
What is water displacement?
200
a combination of 2 or more substances that can be separated easily
What is a mixture?
200
used to examine objects carefully and makes them appear larger
What is a hand lens?
200
iron fillings, sand and water
What is a heterogenous mixture?
200
particles can move around freely and have no shape
What is a gas?
200
chocolate melts but these physical properties do not change (name 2 properties)
What are taste and color?
300
a characteristic of matter that can be observed or measured without changing the matter itself
What are physical properties?
300
used to measure the mass of objects
What is a triple beam balance?
300
Iron
What is an element?
300
there is space in between the molecules and they can move around; takes the shape of its container
What is a liquid?
300
a student enters the lab and the first thing he/she should do is
What is wait for teacher instructions?
400
a combination of 2 or more substances that cannot be separated
What is a solution?
400
used to protect eyes and clothing
What are goggles and an apron?
400
oil and water
What is a heterogenous mixture?
400
the process of cooling that moves a substance from a gas phase to a liquid phase
What is condensing?
400
sound travels fastest through this state of matter
What is solid?
500
describes how much mass is in a given amount of space
What is density?
500
used to measure wind speed
What is an anemometer?
500
vinegar, sugar and water
What is a solution?
500
the change process wherein a substance moves directly from solid to gas phase
what is sublimation?
500
things that don't allow sound to travel easily or electricity to travel easily through are known as
What are insulators?
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