the science of momentum

a snowball gains (a)   as it rolls down the hil

what did you learn from this video? Take your time to answer.

Momentum refers to

• how heavy an object is

• the speed an object moves

• what an object looks like

• how an object feels

finish this sentence

"I'm sorry but it's the law of (a)   of movement"

Ice is _% less dense than water, but is solid

• 10%

• 1%

• 8%

• 15%