Chapter 1 A Question Preview (ID: 38311)
Covers Scientific Method, Instruments, Variables, Safety.
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Instrument that measure the weight of an object
a) Graduated cylinder
b) Balance
c) Petri dish
d) Thermometer
Instrument used to measure volume
a) Graduated cylinder
b) Balance
c) Petri dish
d) Thermometer
Instrument used to grow bacteria during an experiment
a) Graduated cylider
b) Balance
c) Petri dish
d) Thermometer
Instrument used to measure temperature
a) Graduated cylider
b) Balance
c) Petri ish
d) Thermometer
Maya asks the following question, How does adding different amounts of soap to bubble blowing solution change the size of the bubbles I blow? What is the independent variable?
a) Size of the buuble
b) The wand she uses
c) Amount of soap in the bubble solution
d) Both B and C
Maya asks the following question, How does adding different amounts of soap to bubble blowing solution change the size of the bubbles I blow? What is the dependent variable?
a) Size of the bubble
b) The wand she uses
c) Amount of soap in the bubble solution
d) Both B and C
Maya asks the following question, How does adding different amounts of soap to bubble blowing solution change the size of the bubbles I blow? What would be a good control for this experiment?
a) Size of the bubble
b) The wand she uses
c) Amount of soap in the bubble solution
d) Both B and C
Tool used to see objects far away?
a) Telescope
b) Goggles
c) Microscope
d) Wind Sock
Tool used to tell the direction and force of the wind?
a) Telescope
b) Goggles
c) Microscope
d) Wind Sock
Tool used to see and magnify tiny objects
a) Telescope
b) Goggles
c) Microscope
d) Wind sock
Tool used to keep eyes safe during an experiment
a) Telescope
b) Goggles
c) Microscope
d) Wind Sock
Does music makes plants grow taller? Place two plants with the same mass in identical pots. Give the same amount of water, soil and sunlight. Play music for one plant and do not play music for the other. Record height. What is independent variable?
a) Sunlight
b) Height of the plant
c) Music
d) Both B and C
Does music makes plants grow taller? Place two plants with the same mass in identical pots. Give the same amount of water, soil and sunlight. Play music for one plant and do not play music for the other. Record height. What is a control variable?
a) Sunlight
b) Height of the plant
c) Music
d) Both B and C
Does music makes plants grow taller? Place two plants with the same mass in identical pots. Give the same amount of water, soil and sunlight. Play music for one plant and do not play music for the other. Record height. What is dependent variable?
a) Sunlight
b) Height of the plant
c) Music
d) Both B and C
Which tool measures time?
a) Stop watch
b) Calculator
c) Meter stick
d) Balance
Which tool is used to do mathematical calculations?
a) Stop watch
b) Calculator
c) Balance
d) Meter Stick
Does music makes plants grow taller? Place two plants with the same mass in identical pots. Give the same amount of water, soil and sunlight. Play music for one plant and do not play music for the other. Record height. Is this test fair? Why?
a) Yes, because plants are pretty
b) No, because plants are not pretty
c) Yes, because there is only 1 independent variable
d) No, there are too many variables
In scientific experiments the dependent variable is the:
a) one thing you change in an experiment
b) outcome
c) things you keep the same during an experiment
d) prediction
In scientific experiments the independent variable is the:
a) one thing you change in an experiment
b) outcome
c) things you keep the same during an experiment
d) prediction
In scientific experiments the control variable is the:
a) one thing you change in an experiment
b) outcome
c) things you keep the same during an experiment
d) prediction
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