Measurements & Tools
The metric system of measurement is based on which number?
What is 10?
What is the middle number in a set of data called?
What is the median?
True or False: The SI system is a version of the metric system.
What is true?
If scientists cannot obtain exact numbers, they should rely on this.
What is an estimate?
Density is a measure of how much mass is contained in a given what?
What is volume?
What is the basic unit of length in the metric system?
What is the meter?
The x axis of a graph runs in which direction?
What is left to right?
Line graphs display data that show how the responding variable changes in response to the manipulated variable
What is true?
What do you call the material, or energy, that goes into a system?
What is input?
When scientists cannot obtain exact numbers they rely on what?
What are estimates?
What is a common tool used to measure length?
What is a meter stick or ruler?
What is a line graph called if the data points do not fall along a straight line?
What is a non-linear graph?
True or False: When you do field work, you should never tell an adult where you will be.
What is false (you should always tell an adult)?
If you spill a chemical on your skin, what should you do after notifying your teacher?
What is flushing the skin with large amounts of water?
The closeness of a measurement to its true value is called what?
What is accuracy?
What is the name for the curve on the surface of water in a graduated cylinder?
What is a meniscus?
What is the median of 7, 31, 86, 6, 20, 85, and 12?
What is 20?
True or False: A scientist would most likely use the Kelvin scale to measure daily temperature.
What is false (they would use the Celsius or Fahrenheit scale)?
A group of parts that work together as a whole is called what?
What is a system?
What type of model might include a drawing or three-dimensional object?
What is a physical model?
To determine how close an experimental value is to the true value, you would use this type of calculation.
What is a percent error calculation?
A student grows tomatoes for an experiment. Which piece of equipment will be needed to determine the mass of the tomato?
What is a triple-beam balance?
True or False: When multiplying or dividing measurements, the answer has the same number of significant figures as the measurement with the most significant figures.
What is false (it has the same number of significant figures as the measurement with the least significant figures)?
To avoid using the wrong chemical, all containers should be what?
What is labeled?
You measure the mass of a mystery object to be 658g. The actual mass of the object is 755g. What is your percent error?
What is 12.8%