WorksheetsScience Safety, lab tools, and Scientific method review
Total questions: 18
Worksheet time: 10mins
When you are in lab you should NOT
chew gum
eat
drink
All of the the above
Broken glass should always be cleaned up in what way?
by a teacher with a broom and dustpan
by a teacher with her hands
by a student with a broom and dustpan
by a student with her hands
When smelling chemicals you should...
smell directly
waft it
let the teacher smell it
never smell it
what is the first step of the scientific method?
ask a question
make an observation
research
write a hypothesis
A write what I think the answer to my question is, what step am I doing?
step 1: quesiton/problem
step 5: make observations/ analyze
step 7: communicate results
step 3: write a hypothesis
What two things do I need to have for my experiment?
materials list and procedure
scapel and safety goggles
materials list and microscope
microscope and procedure
What is the minimum number of times you should repeat your experiment and why?
3, to ensure accurate results
2, to check your procedure
5, to correct your hypothesis
3, to check your procedure
which science tool should I use to mix chemicals by swirling?
erlenmeyer flask
florence flask
beaker
test tube
Which tool should I use if I want to grind solids into powder
grinder
meter stick
mortar and pestle
crucible
which tool should I use to measure liquids precisely?
graduated cylinder
beaker
triple beam balance
test tube
what is the name of this tool?
erlenmeyer flask
florence flask
beaker
graduated cylinder
what is the name of this tool?
erlenmeyer flask
florence flask
beaker
graduated cylinder
what is the name of this tool?
erlenmeyer flask
florence flask
beaker
graduated cylinder
When I measure something in a graduated cylinder, what should I do?
get down at eye level and read from the meniscus
hold it up and read it
use a ruler to measure
pour it into a beaker, then measure
which of the following hypotheses is written in the correct form?
If the car is dark it will be hot
if the car is dark then the temperature will be higher
the car is dark so the temperature is higher
the car is hot
what are the dependent and independent variables for the following question:
Will the amount of food given to the rabbits daily affect their coat condition?
independent: amount of food dependent: coat condition
independent: type of rabbit dependent: coat condition
independent: amount of food dependent: size of rabbit
independent: time of day dependent: coat condition
I am the variable that is controlled by the scientist in an experiment, which one am I?
independent
dependent
control
experimental
I am the variable that is changed based on what happens to the independent variable, which one am I?
dependent variable
independent variable
constant variable
experimental variable
