a child poked hole on a closed bottle filled with water she observed that no water spurting out. then she opened the cap of the bottle and found that the the water started spurting. why is it so

Which of the following is an example of units for speed

If a simple machine reduces the strength of a force, what must be increased?

Click the game tab at the bottom of the simulation and select level 1. (there is no seesaw balance for this part of the activity.) balance the first equation, and click check to see if you got it right. if you can’t balance it in the first try, you can try again. work through the five equations for level 1. click continue to go on to level 2, and later level 3. each level is more difficult than the one before. keep trying until all the equations are balanced. in one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.