Nathaniel's favorite food
is microwave popcom.
He can't stand to see
unpopped kernels in the
bottom of the bag. The
next time Nathaniel
goes to the grocery
store he buys all brands
of microwave popcorn.
He wants to find out if a
certain brand of
popcorn leaves less
kemels than the one
he's been eating

3. What is the
independent variable?

4. What is the
dependent variable?

5. Write a hypothesis.