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Changes
States of matter
Kinetic theory
Surface tension/Other phases
Density
100
This is a type of change that does not alter the composition of a substance.
A physical change
100
This state of matter has particles that are organized in columns and rows.
SOLID
100
What is the process in which a liquid turns into a solid?
Freezing
100
What phase of matter demonstrates the property of surface tension?
Liquids
100
What is the formula used to calculate density?
Density = mass / volume
200
This is a type of change that alters the composition of a substance -- a NEW substance is produced
A Chemical change
200
This state of matter fits the shape of its container.
LIQUID
200
In which process does a solid turn into a liquid?
Melting
200
Name one activity that we did to demonstrate surface tension.
FLOATING PAPER CLIPS/ WATER DROPS ON A PENNY/ MILK & SOAP
200
What is the density of water? (Be sure to include a label!)
1 g/ml or 1g/cm cubed
300
What type of change is it when an ice cube melts?
PHYSICAL
300
This phase of matter has the most kinetic energy.
A GAS
300
What is the melting point of water?
Zero degrees Celsius
300
Name one example of a suspension.
Italian salad dressing/ Orange juice/ Snow globe
300
If a steel cube with a density of 8 g/ml is cut in half ---- what is the density of it now?
8 g/ml
400
Slicing bread is an example of what type of change?
PHYSICAL
400
What do you have to add to get a liquid to turn to a gas?
HEAT/ THERMAL ENERGY
400
In which process does a liquid turn into a gas?
Vaporization
400
What type of substance is Jello?
Colloid
400
What is the definition of density?
Density is how tightly packed the particles in an object are. OR Density is the amount of mass per unit of volume.
500
Mixing salt and water is an example of what type of change?
CHEMICAL
500
Which phase of matter has no fixed volume and no fixed shape?
GAS
500
During which process does a gas turn into a liquid?
Condensation
500
Flubber/slime is an example of what type of substance?
Colloid
500
What tools would you need to determine the density of a book?
Triple beam balance AND a ruler