physical
Is hitting a ball with a bat a physical change?
Yes
FACTS:
you are not actually changing the ball of the bat when hitting it
Is flattening clay a chemical change?
No
FACTS:
it is a physical change because you don't change the chemicals of the clay into something else
Yes
FACTS:
the car damage is a physical change, but the gas burning from the crash is a chemical change
Is dissolving hair in a drain with acid a physical change?
No
FACTS:
it is a chemical change because you are dissolving and changing the hair
Is lighting wood a chemical change?
Yes
FACTS:
lighting wood is a chemical change because the wood changes into ash
Yes
FACTS:
biting an apple is both because you change the look of the apple and the piece you bit breaks down in your system
Is chopping a piece of wood a physical change?
Yes
FACTS:
it is a physical change because it stays wood, just in two separate pieces
Is cooking an egg a chemical change?
Yes
FACTS:
it is a chemical change because the bonds are broken and new ones form to cook the egg
Is wadding up a piece of paper an example of both?
No
FACTS:
wadding up a piece of paper is only physical because it does not change the material
Is tearing a cloth a physical change?
Yes
FACTS:
tearing the cloth does not change the material of the cloth
Is removing grease with soap a chemical change?
No
FACTS:
removing grease is a physical change because it does not change the chemical composition
Is chopping a piece of wood a example of both?
No
FACTS:
chopping wood is a physical change because you don't change the wood into something else
What is a physical change?
A physical change is a reversible change in a physical property
What is a chemical change?
A chemical change is something that can’t be reversed unless using other chemicals
Is milk that has gone sour an example of both?
No
FACTS:
milk going sour is a chemical change because it changes the milk into a type of acid