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Chapter 1 A
Test Description: Covers scientific method, instruments, variables, safety
Instructions: Answer all questions to get your test result.
1) Instrument that measure the weight of an object
A
Petri dish
B
Balance
C
Graduated cylinder
D
Thermometer
2) Instrument used to measure volume
A
Petri dish
B
Thermometer
C
Balance
D
Graduated cylinder
3) Instrument used to grow bacteria during an experiment
A
Balance
B
Petri dish
C
Graduated cylider
D
Thermometer
4) Instrument used to measure temperature
A
Thermometer
B
Balance
C
Petri ish
D
Graduated cylider
5) 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
Both B and C
B
The wand she uses
C
Size of the buuble
D
Amount of soap in the bubble solution
6) 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
Both B and C
D
Amount of soap in the bubble solution
7) 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
Amount of soap in the bubble solution
C
The wand she uses
D
Both B and C
8) Tool used to see objects far away?
A
Telescope
B
Goggles
C
Microscope
D
Wind Sock
9) Tool used to tell the direction and force of the wind?
A
Telescope
B
Microscope
C
Goggles
D
Wind Sock
10) Tool used to see and magnify tiny objects
A
Telescope
B
Microscope
C
Wind sock
D
Goggles
11) Tool used to keep eyes safe during an experiment
A
Telescope
B
Wind Sock
C
Goggles
D
Microscope
12) 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
Both B and C
C
Height of the plant
D
Music
13) 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
Both B and C
D
Music
14) 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
Both B and C
B
Height of the plant
C
Sunlight
D
Music
15) Which tool measures time?
A
Stop watch
B
Meter stick
C
Calculator
D
Balance
16) Which tool is used to do mathematical calculations?
A
Calculator
B
Meter Stick
C
Balance
D
Stop watch
17) 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 there is only 1 independent variable
B
No, because plants are not pretty
C
Yes, because plants are pretty
D
No, there are too many variables
18) In scientific experiments the dependent variable is the:
A
one thing you change in an experiment
B
prediction
C
things you keep the same during an experiment
D
outcome
19) In scientific experiments the independent variable is the:
A
prediction
B
outcome
C
one thing you change in an experiment
D
things you keep the same during an experiment
20) In scientific experiments the control variable is the:
A
prediction
B
one thing you change in an experiment
C
outcome
D
things you keep the same during an experiment
*select an answer for all questions
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