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What is happening to the molecules of a substance when they are heated or cooled?
move faster when heated they move slower when cooled
Oil expand or contract when heated?
Oil does expand when heated and contracts when cooled.
When milk is heated at 62cc for 30 minutes and then cooled what the process is called?
Pasteurization (preservation by moderate heating) more especially LTLT = low temperature - long time.
Does heated magma rise or sink?
When magma is being heated it rises. When it is cooled, it sinks.
What happens when molicules are heated?
When molecules are heated they become more active. When they are cooled, the slow down.
What does it mean for milk to pasteurized?
The milk is heated to a high temperature and then cooled, to retard bacterial activity.
What changes take when water is heated or cooled?
what changes take place when water is heated or cooled
What is happening to the molecules of a substance when they are heated or cooled?
move faster when heated they move slower when cooled
What changes takes place when water is heated or cooled?
what changes take place when water is heated or cooled
Does plastic need to be heated or cooled to make it set?
Cooled to set
Can gold be heated and cooled?
Yes
Liquids contract when heated?
Liquids expand when heated and contractwhen cooled.
Does gases contract when heated?
No, gasses expand when heated and contract when cooled.
Do liquides contract when heated?
Liquids expand when heated and contract when cooled.
What is made out of thermosetting?
The most familiar use of thermosetting plastic is the heat-resistant handle on metal cookware. It is also used for bottle caps, knobs and handles, and laminated counter tops. Thermosetting plastics retain their shape and strength even when heated.
How can you conserve the vitamins in Milk?
When milk is heated and then again cooled and kept in refrigerator for 2-3 days and then heated again, it looses 50% of its vitamins. So this should be avoided. Also milk should not be kept in warm conditions for too long as at such temperatures vitamin killing enzymes are produced. We should reduce the surface area of the container in which we keep or heat milk.
Why is tar heated and not cooled before applied to a roof?
Tar is heated so it can stick to what ever it is going on. If it was cooled it would not stick right.
