A theory is a set of related hypotheses that have been tested
and confirmed many times by many
scientists. Which of the following
could cause a long-held theory, like
the theory of Evolution, to be
challenged or even overturned by
the scientific community?
new evidence that better supports
the new theory than previous
evidence
O a popular celebrity who disagrees
with the ideas outlined in the old
theory
a scientist who has strong beliefs
that the old theory is wrong but little
evidence
a group of scientists who believe
that new theories are usually better
than old theories

1. label high-pressure areas with the letter h. 2. label low-pressure areas with the letter l. 3. over which area(s) would you expect to see rain or snow? 4. over which area(s) would you expect to see clear skies? 5. draw arrows around the h on the map to show the wind direction. 6. draw arrows around the l on the map to show the wind direction. 7. imagine that you live in maine. currently there is a high-pressure area over maine. if a low-pressure area moves in, how will the direction of the wind change? 5. draw arrows around the h on the map to show the wind direction. 6. draw arrows around the l on the map to show the wind direction. 7. imagine that you live in maine. currently there is a high-pressure area over maine. if a low-pressure area moves in, how will the direction of the wind change? 8. imagine that you live in colorado. currently there is a low-pressure area over colorado. if a high-pressure area moves in, how will the direction of the wind change? 9. according to the map, where would the strongest winds be expected? (refer to the lesson if needed.)

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

What factors contribute to the effect an environmental toxin has on the human body?