In this animated object, learners view molecules as they collide and move between two different solutions. They also observe what happens when the temperature of the solutions is raised or lowered.
Learners follow steps for sizing a car wash interceptor according to the Wisconsin Administrative Plumbing Code. A quiz completes the activity. (Hover your mouse in lower right corner to see the next button)
UP FROM SLAVERY (Chapter 6) by Booker T. Washington
I ... wondered if there was a white institution in this country whose students would have welcomed the incoming of more than a hundred companions of another race in the ... way that these black students at Hampton welcomed the red ones. How often I have wanted to say to white students that they lift themselves up in proportion as they help to lift others, and the more unfortunate the race, and the lower in the scale of civilization, the more does one raise one's self by giving the assistance.
Squidhunter is a single player multiple choice question/answer game. The player uses the directional arrows to control the pirate and the spacebar to fire harpoons at the enemy squids. Collect treasure by killing squids and answering correctly. Wrong answers will lower the player's score.
In this animated activity, learners examine how an adjustable pressure-reducing valve can produce a pressure that is lower at its output than at its input.