0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What adjectives describes physical change?
A physical change is when something changes from one state of matter (solid, liquid, or gas) without changing chemical composition. When ice melts or water freezes or evaporates, it remains H2O, so these are physical changes.
Why is it harmful when ozone absorbs ultraviolet rays and changes into normal oxygen?
It is not. It only decays the ozone. It will form ozone again.
Why do tornadoes form by clouds?
Because only the the energy involved in a thunderstorm or developing thunderstorm is enough to form something as strong as a tornado.
Is science the supreme form of knowledge?
Science is the only form of knowledge. There is no way to know something without it being scientific in some way.
Is crumple a physical change?
To crumple, bend, or tear paper is a physical change. Because crumpling only changes something's shape, it is a physical change.
What is the fact that matter cannot be created or destroyed and only changes form called?
Conservation of matter.
What is the rate of change velocity called?
The rate of which something changes its velocity is the acceleration. A common mistake is to think that something moving fast is accelerating, but it's only accelerating if the velocity of that object is changing.
Can mew change form from trading him with something?
ThatGuy1 here. bluntly, the answer is no. arceus and castform are the only Pokemon that change form in pearl and lower. however in Pokemon platinum girratina also changes fom and so does shaymon
An ionic bond will form only if the sum of the energy changes is?
exothermic
What is an example of a cosmetic change in Windows XP?
Something that changes only the appearance and not the functionality.
When a liquid changes into a gas only at the surface of the liquid it is called?
Evaporation.
The only sure evidence for a chemical reaction?
If the item changes form and substance chemically.
What is the past tense of call back?
called back.Call back is a phrasal verb. When changing to past only the form of the verb call changes. The adverb back remians the same.
What are the different ways by which nitrogen in the air reaches the soil?
Lightning changes the nitrogen in the air into another form called nitrate.THE NITRATE IS BROUGHT DOWN TO THE SOIL BY RAIN.Nitrate is the only form of nitrogen that can be absorbed by plants through its roots.--hhahahah
Is it a chemical reaction when a substance changes its form?
The change of form in not a chemical process; it is only a physical change, the molecules remain unchanged.
What is an experiment in which only one variable changes?
It's called a 'fair test'
Which form does only one person can speak?
A form of speech with only one person speaking is called a monologue.
