Sharp And Sullivan's Sci Process Skills Review Question Preview (ID: 38635)
Sci Process Skills: Safety, Tools, Sci Method, Variables.
TEACHERS: click here for quick copy question ID numbers.
In order to make observations, an observer must always use:
a) Mathematical calculations
b) Experiments
c) The senses
d) The scientific method
If you break a piece of glassware, what should you do?
a) stop and immediately tell the teacher, do not try to clean it up yourself.
b) just leave it; the teacher or custodian will find it and clean it up.
c) kick it under the lab table and pretend you don't know what happened.
d) use a brush and dustpan to clean up the glass.
At the end of a lab,
a) leave your mess; your mother will come and clean up after you.
b) clean up area and wash hands before leaving the lab.
c) tell your teacher your lab partner was supposed to clean up; he can tell her the same thing.
d) don't worry the cleaning fairy will take care of it.
Eating is permitted during a lab ________________.
a) anytime
b) only if not conducting and experiment
c) when your hungry
d) never
Horseplay, jokes, and pranks are not appropriate in a science classroom.
a) FALSE
b) TRUE
c) Sometimes TRUE because some people deserve it no matter what
d) Sometimes FALSE because it's ok to do it when the teacher is not looking
The class is preforming an experiment to see how the angle of the ramp affects the speed of a matchbox/hot wheel car. What is the car?
a) a toy car to be played with
b) a model of a car that is not used for anything scientific
c) a lab tool to be used appropriately
d) an excuse for you to crawl around on the floor and say vroom, vroom and beep beep
The one variable that is changed between each of the different experimental groups in an experiment is called the ____________.
a) dependent
b) control group
c) constant
d) independent
The variables in a experiment that are held the same between the different set-ups in the experiment are called ___________-.
a) dependent
b) control group
c) constant
d) independent
The variable in the experiment where the change is measured.
a) dependent
b) control group
c) constant
d) independent
You are testing how temperature of the water affects the time it takes for a bean seed to sprout. The different temperatures used in degrees Celsius are (20, 25, 30, 35). The dependent variable for this experiment is .
a) the plant with no water
b) the temperature of the water
c) the time before the bean seed sprouts
d) the amount of water
Which is an example of a hypothesis
a) I think that the red light will decrease plant growth
b) The red light is responsible for no growth
c) If the red light is on then the plants will grow less than in the green light.
d) I wonder what will happen if we turn on the red light
A test is done to see which type of battery will power a toy phone the longest. The independent variable for this experiment would be ____________-.
a) how long the toy rang
b) the type of battery used
c) using the same size batteries each time
d) the type of toy phone used
An experiment should only be done once, or you might come up with different and confusing results.
a) false
b) true
c) your guess is as good as mine
d) only sometimes, depends on the results
You look out of your window and see two men carrying a TV set away from your neighbor's house. Which is an inference based on this observation?
a) Those men are stealing your neighbor's TV
b) Your TV is bigger
c) You don't like their TV anyways
d) The men are wearing a repo companies uniform.
The tool used to measure mass is a _______________
a) balance
b) beaker
c) bunsen burner
d) meter stick
What is the correct order for the steps of the scientific method?
a) research, draw conclusions, analyze results, test, hypothesis, question
b) hypothesis, question, research, test, analyze results, draw conclusions
c) question/problem, research, hypothesis, test, analyze results, draw conclusions
d) question, test, analyze results, hypothesis, draw conclusions, research
Which is an example of a quanitative observation?
a) the plant looks wilted and needs water
b) the plant has bugs on it
c) the plant has seven leaves
d) the plant has purple flowers that smell sweet
What tool would you use to have a precise measure of the volume of a liquid?
a) graduated cylinder
b) beaker
c) erlenmeyer flasks
d) balance
Which is an example of a qualitative observation?
a) the plant has 9 bugs on it
b) the plant has grown four cm
c) the plant has seven leaves
d) the plant has three purple flowers
A hypothesis is:
a) an educated guess
b) an if than testable statement
c) a hippopotami's cousin
d) the long side of a triangle
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