It is a hot summer day. Your environmentalist mother is worried about drought and will not let you cool off with the sprinkler. You want nothing more than to turn it on and cool off!

Suddenly, she says she is going shopping and expects to be gone for a while. This is your chance! You go to the shed to get the sprinkler when you notice it has six word locks on it. Of course, your water-obsessed mom set the locks to hydrosphere vocabulary words.

Learn your hydrosphere vocabulary, unlock the shed, and cool off with the sprinkler!

Want some hints? Click here.