Physical and Chemical changes
is boiling water a chemical or physical change
Boiling water is a physical change
Mass is how much matter something has
True
Definition for the physical property
Characteristics you can see or measure
how do the molocules of a solid act.
Tightly packed slight movement
What is viscosity
A liquids resistance to flow
Is melting chocolate a chemical or physical change?
Melting chocolate is a physical change
How do we find the volume of a regular shaped object
With a triple beam
Definition for a chemical property
A characteristic that can change a substance to a new substance Ex: flammable, combustible
How do the molecules of a liquid act
Move towards and around each other
What is a newtonian fluid
A liqud that acts the way it should
how many details do you need for something to be a chemical change
3
What is displacement
How we find the volume of an irregular shaped object
Examples of a chemical property
Flammability/ reactivity/ combustibility/ burning/ baking
How do the molecules of a gas act
Spread out very low molecualr attraction
What is a non-newtonian fluid affected by
squeezing mechanical pressure shear stress etc
Making oobleck is a physical or chemical change?
Oobleck is a physical change
How do we calculate the density of an object
Mass divided by volume
Which of the following are PHYSICAL properties of water?
No definite shape; takes the shape of the container; definite volume
How do the molocules of something change when a phase change happens
They either speed up or slow down
What affects a newtonian fluid
Tempreture
Making slime is a physical or chemical change
making slime is a chemical change
Standard units for density
Grams/Ml or Grams/Cm3
If you burn something this is a...
Chemical change
How do the molocules of a non newtonian fluid act
non-Newtonian fluids, viscosity can change when under force to either more liquid or more solid.
what is shear thickening
Increase in viscosity when a shear stress is applied