SI Units
In SI, the base unit for_________, or the straight-line distance between two points, is the meter (m).
What is Length?
List out the steps of scientific methodology.
What are Observation, formulate hypothesis controlled experiment, analyze data, Conculsion
How can you convert a temperature expressed in kelvin (K) to degree Celsius (°C)?
What is add 273?
For numbers less than 1 that are written in scientific notation, the exponent
What is negative?
A way of expressing a value as the product of a number between 1 and 10 and a power of 10.
What is Scientific Notation?
The base unit for _________, or the quantity of matter in an object or sample, is the kilogram (kg).
What is mass?
A representation of an object or event.
What is a model?
Is the closeness of a measurement to the actual value of what is being measured.
What is accuracy?
A rectangular parking lot has a length of
1.1 × 103 meters and a width of 2.4 × 103
meters. What is the area of the parking
lot?
What is 2.6 x 10 ^6m ^2 ?
The precision of a calculated answer is limited by the least precise measurement used in the calculation. True or false
What is true?
A gram would be a ___________where as a kilogram will be a ________________.
What is a base unit and a derived unit?
Trying to explain how or why gravity performs in particular nature would best describe.
What is a Theory?
Write the Fahrenheit conversion formula.
What is F=9/5(C)+32?
1.5 x 10^11 /3.0x 10^8 m/s Solve
What is 5.0 x 10^2s?
Are all the digits that are known in a measurement, plus the last digit that is estimated.
What are significant figures?
The value of micro is __________whereas the value or mega is _____________.
What is 0.000001 and 1,000,000?
Colgate toothpaste has introduced a new mouthwash to prevent gingivitis (gum disease). They want to conduct a controlled experiment to make sure it works effectively. The independent variable is________________________.
Convert 14C to Fahrenheit.
What is 57.2 F?
Convert 145kg to g.
What is 145,000 g?
A ___________ is an instrument that measures temperature, or how hot an object is.
The symbol for time ________.
What is (s)?
In a controlled experiment a placebo is given. The group that receives the placebo is called_________.
What is control group?
A student measures the volume and mass of a liquid. The volume is 50.0 mL and the mass is 78.43 g. What is the correct calculated value of the liquid’s density?
What is 1.57g/cm^3?
8.6 x 10^-3 place in standard form
What is .0086?
Data that only deals with the 5 senses>
What is qualitative data?