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- 1. Multiple Choice
What is the base SI unit for measuring electric current?
Ampere (A)
Meter (m)
Kilogram (kg)
Liter (L)
- 2. Multiple Choice
Which of the following is the correct SI unit of temperature?
Fahrenheit
Celsius
Kelvin
Rankine
- 3. Multiple Choice
The science of Physics is concerned with which of the following matters?
applying physics principles
describing the physical world
making predictions about a broad range of phenomena
all of these
- 4. Multiple Choice
What is the SI base unit for length?
meter
kilogram
kilometer
second
- 5. Multiple Choice
What quantity does the kilogram measure?
time
distance
force
mass
- 6. Multiple Choice
In scientific notation, 674.3 mm equals
0.6743 x 10-3 mm
6.743 x 103 km
6.743 x 102 mm
6.743 x 102 m
- 7. Multiple Choice
Based on the data from Table 1, which of the following statements is correct?
the temperature increased equally during each time period for both substances
there is no relationship between heating time and temperature for either substance
as time increased, the temperature increased for both substances
none of the above
- 8. Multiple Choice
The SI base unit for time is
1 day
1 hour
1 minute
1 second
- 9. Multiple Choice
How does a scientist reduce the frequency of human error and minimize a lack of accuracy?
take repeated measurements
use the same method of measurement
maintain instruments in good working order
all of these
- 10. Multiple Choice
Five darts strike near the center of a target. The dart thrower is
accurate
precise
both accurate and precise
neither accurate nor precise
- 11. Multiple Choice
A weather balloon records the temperature every hour. From the table above, as time goes by the temperature
increases
decreases
remains constant
decreases and then increases
- 12. Multiple Choice
A useful method of expressing very small or very large number is
Arabic numerals
Greek letters
significant figures
scientific notation
- 13. Multiple Choice
Which of the following marks can be used to explain the concept of a measurement which is consistent but not accurate?
- 14. Multiple ChoiceWhat do we put at the top of a graph?X axisdata tabletitlenothing
- 15. Multiple Choice
What kind of information might go on the X axis?
Independent Variable
Dependent Varaible
- 16. Multiple ChoiceWhat is the independent variable in an experiment?the thing we change or testthe normal situationwhat we measure in the endthe thing we keep the same
- 17. Multiple Choice
The --- variable is found on the y-axis.
Dependent
Independent
- 18. Multiple Choice
This type of relationship shown is a
Direct relationship
Indirect relationship
There is no relationship
- 19. Multiple Choice
What statement best describe the graphed data?
As time increases weight increases
As time increases weight decreases
As time decreases weight increases
As time decreases weight decreases
- 20. Multiple Choice
A weather balloon records the temperature every hour. The relationship between these variables for the data measured is:
direct
inverse
there is no relationship
independant
- 21. Multiple Choice
The line on the graph represents
Accuracy
Precision
The trend line shown by the data
- 22. Multiple Choice
Which of the following marks can be used to show a measurement that is both accurate and precise?
- 23. Multiple Choice
A student wishes to convert from cm to m. To do this they need to move the decimal point:
3 spaces to the right
3 spaces to the left
2 spaces to the right
2 spaces to the left
- 24. Multiple Choice
Convert 21 days into seconds.
500 seconds
30,000 seconds
1,800,000
43,000,000
- 25. Multiple Choice
Convert 22 m/s into km/hr
79 km/hr
6.1 km/hr
89 km/hr
44 km/hr
- 26. Multiple Choice
Extrapolation means
To use the measured data to predict something outside of what was measured.
To use the measured data to predict something between two data points.
A term used when you have an extra pole
A random guess
- 27. Multiple Choice
Why do scientists use models.
To make predictions.
To interpret data.
To determine if variables are related.
To make predictions, interpret data, and determine if variables are related.
- 28. Multiple Choice
Laws in Physics cannot be proven wrong.
False
True
- 29. Multiple Choice
Some theories in science cannot be proven 100% correct.
True
False
- 30. Multiple Choice
What is the best definition for a "fact" below.
An observation of an event that is known to have happened.
An interpretation of something that happened.
A set of rules that governs our universe.
A statement that is developed to test if there is a relationship between cause and effect.
- 31. Multiple Choice
What is the best definition for a "hypothesis" below.
An observation of an event that is known to have happened.
An opinion.
A set of rules that governs our universe.
A proposed explanation based on evidence as the starting point for further investigation.
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