1. Which is an example of an activity with a moderate amount of physical activity?
   

a.) cross-country skiing

b.) biking up steep-hill terrains

c.) playing a game of soccer

d.) skating

1. Which could be considered a vigorous physical activity?
   

a.) surfing

b.) dancing

c.) playing doubles tennis

d.) chopping wood

1. Which activity provides a low level of physical exercise?
   

a.) raking leaves

b.) walking the dog

c.) dancing

d.) washing dishes