Scientific Method
The logical and systematic process of solving a problem is known as the...
The Scientific Method
A sign in a lab says, "Never drink from the glassware". What is the most likely reason for this warning?
Many of the chemicals used are poisonous
Which of the following is a metric unit of distance?
a. inch
b. mile
c. liter
d. meter
d. meter
What axis does the independent (horizontal) and dependent (vertical) variable go on?
X- Independent variable
Y- Dependent variable
What lab equipment is used to measure mass?
Triple Beam Balance
When heating liquid materials in laboratory glassware, a student should always do this to stay safe...
wear safety goggles
What is a hypothesis?
An educated guess or prediction of what you think the outcome will be
What 2 words should always be in your hypothesis statement?
If, Then
I think, because
I believe, because
What type of graph shows counted information?
bar graph or histogram
What lab tool is used to find the volume of a irregular shaped object?
Graduated Cylinder (and/or water displacement cup)
Something that is unchanged, used as the comparison in an experiment
Control
In an experiment designed to find out if dogs prefer to have food of a specific shape, it would be best to:
a. use different brands of food with different shapes.
b. use the same brand of dog food, but with different colors.
c. use the same exact kind of dog food, but with different shapes.
d. add a special ingredient to some of the dog food.
c. use the same exact kind of dog food, but with different shapes.
Gathering information by using your senses is known as an...
Observation
What type of graph that shows data over time?
line graph
What lab tool is used to find the volume of a regular shaped object, and what is the formula?
Ruler, V=LxWxH
A student says, "I predict that water is a conductor of electricity". A scientist would classify this statement as a...
Hypothesis
List 5 lab safety rule
No horseplay
wear closed toed shoes
wear goggles, aprons, gloves
waft a chemical scent to nose
report spills to your teacher
read directions carefully before starting the lab
tie back long hair
the variable you manipulate, control, or vary in an experiment
Independent Variable
What type of graph shows percentages?
Pie graph
Using water displacement, find the volume of the dice
4ml
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the plants that can live in the water. In this experiment, what is the independent variable?
the amount of salt in the water
What are the steps to the scientific method?
what changes as a result of the independent variable manipulation in experiments (it's what we measure)
dependent variable.
Tell me 2 graphing laws that we discussed in our graphing notes.
Include a title
Line connecting points only (with a straight edge)
take up 3/4 of the space provide (spread it out)
use a pencil
Come up and find the mass of a rock from the front
18.5g