Questions With Reviewed 100% Correct Detailed Answers
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When should goggles be worn in the When using Fire/Heat, Glassware,
lab? and/or Chemicals
What should you do if you are not sure
Read directions first and then ask your
what you should be doing during a lab
teacher.
activity?
When is it appropriate to tie back long When using flame or chemicals in the
hair and/or baggy clothes? lab.
How do you dispose of chemicals in the
Follow teacher's instructions.
lab?
What TOOLS are used to measure
Ruler, Meter Stick, Measuring Tape
LENGTH?
What is the AREA of piece of paper with
20 x 25 = 500 cm2
the length of 25 cm and width of 20 cm?
What is the formula for finding the VOL-
L x W x H cm3
UME of a SOLID object?
What TOOLS are used to measure liquid
Graduated Cylinder, Beaker
VOLUME?
What UNITS are LIQUID VOLUME mea-
milliliters (mL) , liters (L)
sured in?
How do you find the DENSITY of an ob- Mass / Volume (Mass divided by Volume)
ject & what is the correct unit? g/cm3
What is MASS? The amount of matter in an object.
What TOOL do we use to measure the
Triple Beam Balance
MASS of an object?
What UNITS are MASS measured in? grams (g) , kilograms (kg)
Water Displacement: Put water in a grad-
uated cylinder. Measure the amount. Add
Explain how you find the volume of an
object and measure new volume. Sub-
irregular shaped object.
tract first volume from second volume
and unit would be cm3.
QUALITATIVE -data in the form of de-
scriptions/words using the senses; tem-
perature increased, color
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, What is the difference between QUAL-
QUANTITATIVE-data in the form of num-
ITATIVE and QUANTITATIVE observa-
bers; 16.7 grams
tions and give an example of each?
What is the correct format for writing a
If..Then... Statement
hypothesis?
What do we call the series of steps de-
signed to help you solve problems and Scientific Method
answer questions in science?
In an experiment, the one variable that is
changed by the investigator on purpose Independent variable
is called the
In an experiment, the factor or variable
Dependent variable
that we measure is called the
A scientist conducted an experiment to
determine how the amount of salt in
a body of water affects the number of Number of plants that can live in water
plants that can live in the water. In this
experiment the dependent variable is
In science, an educated guess is called
Hypothesis
a/an
Another name for the INDEPENDENT
Manipulated variable
variable is
Another name for the DEPENDENT vari-
Responding variable
able is
When graphing our data, on which axis
does the INDEPENDENT variable go X-Axis
along?
When graphing our data, on which
axis does the DEPENDENT variable go Y-Axis
along?
Is EVAPORATION an example of a PHYSICAL because it is a change in a
CHEMICAL or PHYSICAL change and state of matter. It goes from a liquid to a
WHY? gas.
ATOM
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