Skeletal System Review of Rules and Expectations High

Skeletal System

Review of Rules and Expectations �High expectations = Try your best �Have self-control �Give me “ 5” – timed today �Check for Understanding

Go Over Yesterday’s Results 1. What did you learn? 2. What was interesting? 3. Why is this information important for us to know, when learning about the skeletal system?

Did You Know: About the Skeleton

�Adult skull= 1 solid bone �Baby’s skull = 29 separate bones

�Longest Bone = Femur �About 27% of our total height

�Smallest bone = stirrup �About. 1 -. 14 inches long

�Babies = 350 bones �Adults = 206 bones �Some people have more than 206

�¼ of bones in feet

�Hyoid = only bone to not meet up with any other bone

�Thigh bone strength = steel of same weight

�Horse has 1 less bone than average man

�Tallest man = 8 ft 11 in. �Thigh bone = 2. 5 ft long

�In the morning, you are ¼ in taller than night before

�Skeleton makes up 1/7 of body’s total weight

Vinegar and Chicken EXPERIMENT

Experiment �Title: ________________

Materials Used

Experiment �Question___________________

Experiment �Hypothesis: _________________________________

Experiment �Hypothesis__I think the vinegar will dissolve the bones. _____

Experiment �Controlled Variable – Variables that do not change between experiments _____________________________________

Experiment �Independent Variable- the one that is changed by the scientist _____________________________________

Experiment �Method- What I did: I felt the original chicken and found it was hard and inflexible. Then I placed the chicken into a cup of vinegar. Then……………………

Experiment Bone Before Bone After