Measurement
Scientific Method
Classification of Matter
Physical and Chemical Properties
States of matter
100
How much matter is in an object is called
mass
100
What is the Independent variable
The thing the scientist changes
100
All atoms of the same element are the ________ and atoms of different elements are _____________.
Same, Different
100
What type of properties do you observe
Physical properties.
100
Define Solid, liquid, and Gas
Solid- def shape, def volume liquid- def volume gas- none
200
If you know somethings volume and mass, what physical property can you calculate?
Density
200
What is a control
What you compare results to. Does not receive IV
200
What is the smallest part of an element that still exists as that element
atom
200
The chemical property relating to fire is called what?
flammability
200
Tell the phase changes of matter when temperature increases. Give the name of the change as well as what two states are changing. ex Sublimation- solid to a gas
melting- solid to a liquid vaporization- liquid to a gas
300
The metric system is based on units of
10
300
What thing do scientists and regular people use to solve problems
scientific method
300
What is the simplest substance that cannot be broken down further.
element
300
What is always created in a chemical change?
New substance
300
What stays constant in the following Boyle's Law Charles' law Gay- Lussac's Law
Boyle's - Temperature Charles'- Pressure Gay- Lussac's- Volume
400
Name the unit and instrument you would use to measure the following A fly's wings A spoonful of water The mass of a textbook
Fly -millimeter, ruler water- milliliter, graduated cylinder textbook- grams, balance
400
A student tests how the number of paperclips added effects how far a paper airplane will fly. What is the IV
number of paper clips
400
What is a mixture?
two or more substances that have been physically combined
400
Which of the following are chemical properties. Ice melting to water Bread toasting wood burning Hydrogen peroxide bubbling on a cut
wood burning bread toasting Hydrogen peroxide on a cut
400
Define Charles law as temperature increases. (make sure to tell what is constant)
At constant Pressure, as temp increases volume increases.
500
Make the following unit conversions 42.1 kg to g 5.7 mm to dm
42100 g .057dm
500
A student tests how the number of paperclips added effects how far a paper airplane will fly. What is the Control
Distance with no paper clips
500
Tell whether the following are elements compounds or mixtures. Air Oxygen (O) Table Salt (NaCl) Pure Water (H2O) Salt Water Argon (Ar)
Air- Mixture Oxygen- Element Table Salt- compound Pure Water- compound Salt Water- mixture Argon- element
500
List 4 out of 5 of the physical properties of matter from you study guide
color, shape, odor, melting point, boiling point.
500
I place a solid cube, water, and gas into three different sealed cups. Draw what the particles look like in each cup.