Matter and Measurement
The property of a metal coin that is different on the Moon than it is on Earth.
What is weight?
The mathematical operation used to calculate density.
What is Mass/Volume?
The melting point of water is this kind of property
What is physical property?
Tearing paper into smaller pieces is an example of this kind of change
What is physical change?
True or false: Air is matter
True
The total amount of matter in an ice cube.
What is the mass of an ice cube?
This is the formula for calculating Mass.
What is M = D x V
Irons tendency to rust in the presence of oxygen and water is what type of property?
What is a chemical property
Burning something is an example of this kind of change?
What is chemical change?
Bonus 100: what evidence would you observe?
This is a chemical property of a piece of paper
What is flammability?
(another possible answer: reactivity with oxygen or water or anything)
This is true for all matter
What is it has mass and volume? (also acceptable: it has mass)
When a helium balloon rises in the air and the volume doubles, the mass does what? and the density does what?
A property that is the same regardless of how much of a substance there is, is called this
What is a characteristic property?
A pot of water is boiling and bubbling. the water is evaporating into a gas. What kid of change is this?
Physical change
Remember: State change is a physical change - even though boiling makes bubbles.
From reading: How does temperature affect chemical reactions?
higher temperature speeds up chemical reactions
This is the volume of the rock if Josie partially filled a graduated cylinder to 35 mL, and after dropping the rock in, the level rose to 40 mL.
What is 5 mL?
If Ana cuts a block of pure gold into two equal pieces, the density of each block is the same. This type of property is called _____.
What is a CHARACTERISTIC PROPERTY? (also acceptable: Intrinsic property)
What is a physical property
A half eaten apple is left outside after snack. Over several hours, what signs would we see that a chemical change takes place?
color change (apple turns brown)
List 3 signs that a chemical change has occured.
Color change
Odor
Bubble/gas produced
Temperature change without heat or cooling
Formation of precipitate
Light production
During the process of an ice cube changing from a solid to a liquid, this property of the ice cube remained unchanged.
What is mass?
My favorite rock's mass is 22grams and it's volume is 10 cm3. Its density is this
What is 2.2 grams/cm3?
Kim is a forensic scientist. She has been asked to identify a chemical compound (substance) that was found at the scene of a crime. What are two properties that could help her identify the mystery substance?
Any two characteristic properties (density, flammability, melting point, reactivity with water, boiling point, etc)
What was the original color of the statue of liberty?
What is copper or brown
When we heated the sugar and water mixture, what signs did we observe that a chemical reaction was taking place?
color change
odor change