Bill Nye the science guy S2E8: Skeletal and muscular body systems video sheet.
Very easy for my EC classes, it's multiple choice answers, the last 2 are short response. (I preview the 2 short response ones so they know what to look for)
This way they get a chance to watch the video and not spend all of the time on reading and answering the follow along question.
Includes how bones and muscles work together:
Cartilage and how bones are connected.
What % of your body weight is muscle.
Birds have hollow bones .
Why a baby has more bones than an adult.
Why it takes more energy to frown than smile.
Includes an answer key
Hard time finding the video to stream try looking on dailymotion (google the site)
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