In his science project, Ben explained the pyramid of energy with an example of the population of birds and the insects they feed on. Can he invert the pyramid to show the flow of energy?

Why do we see lightning before we hear thunder? A) Light travels faster than sound. B) Sound travels faster than light. C) The lightning forms before the thunder does. D) The ears transmit information more slowly than the eyes.

Discuss how systematic and random errors influence the precision and accuracy of an experiment.

Which of these best explains the ability of small insects to walk on the surface of still water?

The blank is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument.

All but one statement is supported by kettlewell's data. that is a. dark moths had a survival disadvantage in industrial dorset. c. light moths had a survival disadvantage in industrial dorset. b.

A wire that has a resistance of 1Ω is to be built from an aluminum block of volume 1 cm3 . How long is the wire going to be?

What is the difference between exercise and fitness

What combines to form bonds in compounds? A. atoms of elementsB. moleculesC. types of mineralsD. valences

A __ is used to measure air pressure.

What happens to sound waves after they are received by our ears?