Font size
WorksheetsThinking like a scientist-Controlled Experiment Quiz
Total questions: 20
Worksheet time: 2hrs 40mins
When you make a graph, which variable goes on the Y axis?
Independent
Dependent
Control
Extraneous
An inference
can be an opinion
is explaining an observation
is the third step in the scientific method
is stating a quantity
What kind of observation is this: The tree has seven branches.
Qualitative
Quantitative
When you make a graph which variable goes on the X axis?
independent
dependent
extraneous
controlled
An observation is
the same as an opinion
only uses what you see with your eyes
using one of your senses to gather information
compares data to reach a conclusion
What type of statement is a hypothesis?
accept or reject
If....Then
qualitative
I think...because
What kind of observation is the following: The clouds are grey and ground is wet.
Qualitative
Quantitative
The students concluded that the plants grown indoors grew faster because they received better quality light than the plants grown outdoors. Which is the most likely reason this conclusion may be flawed?
The students measured the plants at different times.
The students should have grown different types of plants.
The growth of the plants in each set was affected by more than one factor.
The outdoor plants grew faster than the indoor plants.
A meteorologist recorded high temperatures for five days at three locations on land. The data are shown in the table below.
Areas at the beach have the coolest temperatures
Areas farther from the beach always have the warmest temperatures.
Areas at the beach have the most stable temperatures.
Areas farther from the beach always have the same weather as areas at the beach
A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. What is the independent variable in this experiment?
the amount of carbon dioxide in each container
the number of plants in each container
the amount of water provided to the plants
the height of each plant after a period of time
Some researchers are developing a new fertilizer designed to improve the growth of plants in hot, dry climates. The fertilizer was applied to one hundred desert plants in a greenhouse. The average daytime temperature in the greenhouse was 90°F, and the humidity levels were low. Which is best for the researchers to do next?
A compare plants that received fertilizer to similar plants that received none
B begin selling the fertilizer to gardeners living in hot, dry climates
C change the conditions in the greenhouse and retest the fertilizer
D test the fertilizer on plants that are adapted to cooler climates
Students in a science class plan to investigate a factor that affects the rate at which a pendulum swings.
In which way should the students manipulate the variables to get valid results in this investigation?
use equal string lengths and different plumb bob masses
use different string lengths and different plumb bob masses
use equal string lengths and the same plumb bob shapes
use different string lengths and different plumb bob shapes
What is the first step in the scientific method?
draw conclusions
ask a question/make an observation
make a hypothesis
test the experiment
Choose a way to share your ideas with others
write
draw a picture
record a video/audio
give a speech
