Lab Equipment
Name the piece of lab equipment used to see tiny organisms
Microscope
How many quarts are in 1 gallon
4 quarts = 1 gal
an educated
guess based on
observations and
your knowledge of
the topic
hypothesis
The basic building blocks of all matter
atoms
Features that can be observed WITHOUT changing the type of substance
Physical property
Name the piece of lab equipment used to grow bacteria
petri dish
16 pints = _____ gallons
2 gallons
information
gathered during
an experiment
data
The nucleus of an atom is orbited by
an electron cloud
Which law explains that atoms are never created or destroyed. They can only change from one form to another.
The Law of Conservation of Matter
Name the piece of lab equipment used to measure mass
balance
1.5 gallons = _____ cups
1.5 gallons = 24 cups
_______ variable -
something
that is changed by
the scientist
independent variable
The central nucleus of an atom consists of
protons and neutrons
Features that can be observed ONLY by changing the type of substance
chemical property
Name the piece of lab equipment used to measure the volume of a liquid
graduated cylinder
DAILY DOUBLE!!
Which is larger:
5 kilograms of salt OR
5 grams of salt
5 kilograms of salt
_______ Variable – something that
might be affected by the change in the
independent variable
dependent variable
a substance that cannot be broken down into any other substances by physical or chemical means
element
Why is the element called Sodium but its chemical symbol is Na?
Because the elements were named in Latin
Name the top of a curve used to measure the volume of a liquid
meniscus
Which is smaller:
25 liters or
25 milliliters
25 milliliters
______ variable -
a variable that is
not changed
controlled variable
a substance made up of two or more elements chemically combined in a specific ratio or proportion
compound
The sum of protons and neutrons in a single atom
Atomic mass