Question

write the middle
read about the first change in lea’s experiment.
then write about your first change.
mentor text
first, i put the fulcrum near my hand. i placed
the book on the other end of the yardstick, and i
pushed down on the lever. the end of the lever
closest to me was very short. it was hard to lift
the book.
1 draw a box around the change that lea made.
2 underline lea’s results.
my lab report
3 write the first change you made. tell your results.
hint use the chart on
page 137 to remember
your changes and results.

Explanation:

1. For task 1, identify the action Lea adjusted in her experiment.
2. For task 2, locate the outcome of her setup.
3. For task 3, describe a personal lever experiment change and its result, mirroring the mentor text structure.

Answer:

1. [Box around: "First, I put the fulcrum near my hand."]
2. [Underline: "It was hard to lift the book."]
3. First, I moved the fulcrum to the middle of the yardstick. I set the same book on one end and pushed down on the other end. The book lifted easily with just a small push.