1.9 - planning investigation

1. Hooke's Law describes the behavior of which kind of material under tension?

• plastic

• metals only

• elastic

• non-metals only

How many variables do we want to be testing at one time?

• 1

• 2

• 3

• 4

3.What is the shape of a Force-Extension graph for a spring if it obeys Hooke’s law?

• A straight line

• A straight line through the origin

• An upward curve

4.What is the spring constant a measure of?

• The extension of a spring

• The length of a spring

• The stiffness of a spring

5.What is an anomaly?

• a result that is similar to other results

• a result that doesn’t fit in with the pattern of the other results