10 Questions
Which one of these is a scientific hypothesis?
A tentative explanation that can be tested
What unit is equivalent to 1/1,000th of a gram?
Milligram
What is the area, to the correct number of significant figures, of a rectangle with a width of 2 cm and a length of 6.7 cm?
13.40 cm²
How would you prepare 500 mL of a 3 M NaCl solution?
Dissolve 3 moles of NaCl in 500 mL of water
What is a graduated cylinder used for?
Measuring volume
Which one of these is true about the temperature of a solution when a reaction in solution produces energy?
The temperature of the solution increases
What entropy changes occur when a substance melts?
The entropy increases
How are kinetic energy and potential energy different?
Kinetic energy is the energy of motion, while potential energy is the energy of position
What energy changes occur to a mass that starts from rest and slides without friction from the top to the bottom of an inclined plane?
The mass gains kinetic energy and loses potential energy
How are physical changes in a substance different from chemical changes?
Physical changes involve a change in physical properties, while chemical changes involve a change in chemical properties
Test your knowledge of scientific inquiry, methodology, techniques, and history with this quiz. Learn about scientific hypotheses, units of measurement, significant figures, solution preparation, and the purpose of a graduated cylinder. Explore basic principles of matter and enhance your understanding of scientific principles.
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