0
What are two observations you might make when a physical change occurs?
Wiki User
∙ 10y ago
change in shape and color.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What is manual or physical manipulation?
Manual or physical manipulation is when you physically change the way something looks or feels. This might mean squishing butter or even crushing chips with your hands.
What does 'physical might' mean?
Physical might means ones own physical ability to carry out a task. Like in lifting weights, a 100 pound person is not going to have enough physical might to pick up a weight of 500 pounds.
How are physical and chemical changes different in two ways?
a physical change can be reversed but a chemical changes is not. you can all tell the different from a physical and chemical change by seeing if the color or if the substances is still in it normal element and it a chemical change if it has been change to a new substances like a burn paper change to Ashes. It is all most a physical change but it can not be reversed back.
An example of a physical change and a chemical change?
Melting of a solid to a liquid, or evaporation of a liquid to a gas. The physical state is changed but it is the same substance (though some substances do breakdown under heating, then it becomes chemical)
Can an object change its physical state even though it does not absorb energy?
A puddle of water may freeze. Anything liquid might solidify. Because going in that direction it releases energy, which it must get back if it is to return to its former state.
What is edible in physical change?
A physical change is a change where the atoms might get separated but there is no change in it's chemical. It all depends on what you did with the atoms (For example, poisoning something is a physical change), and if the thing itself is edible.
Is heating potassium bicarbonate a chemical or physical change?
The heating itself is a physical change, a chemical change might come from the heating, however.
Shaving magnesium physical or chemical change?
It's a physical change because it might be in a different form but it's still magnesium
How are inferences drawn from observations?
Generally, inference means an educational guess or a judgement. Observations are the cause of any major or minor change. This might not help much but that's all I know.
Are bubbles a physical property?
The bubbles themselves are physical. What caused them might have been a physical change or a chemical change; it's impossible to say without more information.
Is boiling water for soup a physical change or chemical?
this is a tough one but it might be chemical because the steam is a new form of matter
What is a suggested explanation that might be true and is subject to testing by further observations is an?
A suggested explanation that might be true and is subject to testing by further observations is
What is it called when color appears to change with light?
It might be called photo-chromatic aberration.
What kind of change occurs on the surface of bread when it is toasted?
physical because its doesn't matter if toasted or not it's still made out of bread or might be chemical cause if it changes colors that's one of the signs of a chemical change look it up on goggle this is some peoples opinion so u don't know if it's right or not
Is breaking of a tree branch a physical or chemical change?
Yes, it is undoubtly physical itself. The cause of easy breaking eg. after chemical detoriation of its fibrous structure by molds can be chemical. The force by which it's breaking (wind, gravity) is physical however.
Can creatures change their physical form?
Yes, I believe that some animals can change their physical form, only animals like invertebrates though, it would be physically impossible for a vertebrate to change its form because if it did it might fracture a Bone or something.
Is the toasting of bread a physical or chemical change?
This is a physical change and might include a chemical change due to the heat involved in taking the bread to its final appearance. the physical change because, there is a change in color(colour) and a slight change in shape depending on the toaster you are using.
