The items listed below are found in a science classroom. 1. heart made of plastic with many of its parts labeled 2. clay formed to look like earth and other planets 3. a giant plastic plant cell with removable cell parts 4. fill in the blank. these items are all examples of models experiments variables controls

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

The energy produced as a result of this flow of electrons from atom to atom is called