EGYPTIAN AMERICAN INTERNATIONAL SCHOOLElementary Science Department

Semester 2 GRADE 5

Name :Date :

Lab sheet 3.4

Muscle Burnout

Directed Inquiry

Objective Follow directions for an investigation of muscle fatigue and whether a short rest

helps muscles recover.

Inquiry Skills Formulate or Use Models Predict Measure Gather and Interpret Data Compare

Materials small stress ball (1 per student) clock or timer (to time 1 minute rest period)

Alternative MaterialTennis balls may substitute for stress balls. You can also make your own stress balls by sealing sand or small gravel in a plastic bag and then placing it in an old sock and tying off the end.

Test Number

Hand Tested (Left or Right): ___________

Number of Squeezes I Could Make Before the Muscles Became Fatigued

Observations :How did it feel?

What else did I notice?

1

2

Conclusion: