Measurement Madness
What system of measurement uses meters, liters, and grams?
What is the metric system?
What are the three main states of matter?
What are solid, liquid, and gas?
Is color a physical or chemical property?
What is a physical property?
What does the atomic number represent?
What is the number of protons in an atom?
What are the three subatomic particles in an atom?
What are protons, neutrons, and electrons?
Which variable is deliberately changed in an experiment?
What is the independent variable?
What phase change occurs when a solid becomes a liquid?
What is melting?
What is a chemical property of wood?
What is flammability (it can burn)?
What is the atomic symbol for oxygen?
What is O?
What is the charge of an electron?
What is negative?
What is the purpose of a control in an experiment?
What is to serve as a standard for comparison?
Is melting ice a physical or chemical change?
What is a physical change?
What is the main difference between a physical and a chemical change?
What is: A chemical change forms a new substance, while a physical change does not?
How many protons does an atom with atomic number 11 have?
What is 11?
Which subatomic particle is found in the nucleus and has no charge?
What is a neutron?
Name two differences between the metric and imperial systems.
What are: 1) the metric system is based on powers of 10, and 2) the imperial system uses units like inches and pounds?
What is the difference between evaporation and condensation?
What is: Evaporation is liquid to gas, and condensation is gas to liquid?
Give an example of a physical change and explain why it’s physical.
What is cutting paper, because the substance stays the same?
What are the horizontal rows on the periodic table called?
What are periods?
If an atom has 6 protons, how many electrons does it have in a neutral atom?
What is 6?
In a controlled experiment, what must remain the same to ensure valid results?
What are the constants?
Describe what happens to the molecules in a substance as it freezes.
What is: The molecules slow down and move closer together to form a solid?
Name two indicators that a chemical change has occurred.
What are: color change, gas production, temperature change, or formation of a precipitate?
What do elements in the same family (group) have in common?
What are similar chemical properties and the same number of valence electrons?
What is the difference between atomic mass and atomic number?
What is: Atomic number = number of protons; Atomic mass = protons + neutrons?