You have just measured the length of earthworms collected in the schoolyard. The next step in this activity is to find the average length of the worms. What is the quickest way to accomplish this task?
A)
Use a calculator to compute the average.
B)
Use the AVERAGE function in the spreadsheet.
Use the Data - Sort function in the spreadsheet.
D)
Do the mathematical operation to find the average by hand.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

Explain why electric current cannot exist if a current doesn't have a voltage source.

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.