*Question*
The more current, the stronger the electromagnet.  Milo is playing with his electromagnet and he decides to increase the current supplied to it. What will happen to the strength of the electromagnet increase or decrease?
**Answer**
increase

*Question*
As the amount of water increases, the melting point of rock decreases.  If Mona adds more water to her cauldron of melting rock, what will happen to the melting point of that rock increase or decrease?
**Answer**
decrease

*Question*
The more efficient a device is, the greater the percentage of usable energy it produces.  Theresa made a device that uses 25% of usable energy. Ryan made a device that uses 10% of usable energy. Theresa or Ryan made a device that is less efficient?
**Answer**
Ryan

*Question*
The stronger the winds are blowing, the larger the waves are and the more energy they have.  Waves increase or decrease when winds blow lighter?
**Answer**
decrease