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Q 1/20
Score 0
Which statement is an inference?
30
It is too cold to ski.
It is snowing.
The temperature is 30* F.
The snow is 1 meter deep.
Q 2/20
Score 0
Which two gases make up most of the air?
30
Nitrogen and Oxygen
Methane and Helium
Carbon Dioxide and Oxygen
Argon and Oxygen
20 questions
Q.
Which statement is an inference?
1
30 sec
Q.
Which two gases make up most of the air?
2
30 sec
Q.
What role does evaporation play in the water cycle?
3
30 sec
Q.
By which of these processes does water vapor form clouds?
4
30 sec
Q.
A student wanted to ride her new bike to the park, but it had been raining for several days. What type of front was most likely preventing the student from riding her bike?
5
30 sec
Q.
How does the ozone layer affect temperature?
6
30 sec
Q.
What type of heat transfer causes wind?
7
30 sec
Q.
Which does not show work being done on an object?
8
30 sec
Q.
What do toasters and light bulbs have in common?
9
30 sec
Q.
In which part of the technological design process is a scientist most likely to communicate results?
10
30 sec
Q.
Use the ruler to determine the length of the line.
11
30 sec
Q.
What is the independent (manipulated) variable?
12
30 sec
Q.
What is the dependent (responding) variable?
13
30 sec
Q.
Which is a valid conclusion based on the graph?
14
30 sec
Q.
If an engineer finds a flaw or problem in a design, what step should the engineer take next?
15
30 sec
Q.
A student is using a dichotomous key to identify a coin. What does the student do at each step?
16
30 sec
Q.
The diagram shows an electric motor and generator. Which pairs are the most closely related to the development of these two devices?
17
30 sec
Q.
The structure shown in the diagram produces power for use in the home by converting___.
18
30 sec
Q.
A student collecting weather data for his report needed to find the relative humidity as one of the weather conditions. Which tool would be most useful for gathering that data for his study?