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Can fire be dense?
Fire is a combination of heat and light energy emitted by a chemical reaction, and as such it has no mass and therefore no density.
How much would it cost to fix the heat shield on your car?
Which heat shield? There are several.
Can rocks and minerals change?
Sure. They can be broken down to form sand. Under intense heat and pressure, they can change to metamorphic rock.
How does a balloon pilot use density to control the altitude of a balloon?
the pilot heats the air stored in the balloon with a large flame the hotter it gets the higher it goes because the heat changes the density to make it go up or down if the pilot decreases the size of the flame the hot air lowers because the smaller flame has less heat giving it a higher volume, but the air stays the same thus making it lower
Why do chefs use wooden spoons to cook?
because wood does not conduct heat if you used a metal spoon it would heat up and burn you if you use plastic it would melt.
