Matter Matters
Don't be so Dense
Get off my Property!
Mix It Up
NRG
100
Matter is defined as something that has ______ and takes up space.
Mass
100
Name the units used for Volume.
mL or cm3
100
Is boiling point a physical or chemical property?
Physical Property
100
Homogeneous or Heterogeneous:
A bowl of cereal.
Heterogeneous
100
The melting of an ice cube is an _____thermic change, in which energy is absorbed.
Endothermic
200
All matter is made tiny units called ______
Atoms
200
If an object's mass is 200g, and it's volume is 50mL, what is the object's density?
4 g/mL
200
Flammability, combustion, and oxidation are examples of _________ properties
Chemical Properties
200
Homogeneous or Heterogeneous:
Vegetable soup.
Heterogeneous
200
Energy is defined as the ability to do _______.
Work
300
Which of these is a molecule?
All of them.
300
Corn syrup has a density of 1.33 g/mL.
Vegetable oil has a density of 0.91 g/mL.
If placed in the same container, which will float on top of the other?
Vegetable oil will float on top.
300
A type of change in which the form or appearance of matter occurs, but no substances are turned into different substances, is known as a _______ ______
Physical Change
300
Lemonade is an example of a ___________ mixture.
Homogeneous
300
Your hydroflasksksksk has an insulating layer between the liquid and the air. This prevents _______ _______ from transfer from the warm air to the liquid.
Thermal Energy
400
What is the chemical formula for Sulfuric Acid?
H2SO4
400
Gavin weighs 100 lbs on Earth, and 60 lbs on the moon. How is his mass different on the moon?
No different!
400
The fact that matter is not created or destroyed in any chemical or physical change is called the Law of __________ __ ____.
Law of Conservation of Mass
400
A solution is a specific type of mixture involving what form of matter?
Liquid
400
Thermal energy is always on the move from _______ to _______.
Warmer to Colder
500
How is a compound different from a molecule?
A compound is two or more different elements. A molecule can have the same element.
500
Describe how to find the volume of an irregular object.
Water displacement. Drop the object into water and measure the difference in the volume of water.
500
In order to get this bread, a few things happened:
- You let the dough rise
- You baked the bread in the oven until brown
- You sliced the bread
What types of changes are these events?
Chemical - Dough rising
Chemical - Baking/color change
Physical - Slicing
500
How would you separate a mixture of two liquids with different boiling points?
Distillation
500
Name three things that can be produced from a combustion reaction. (such as methane reacting with oxygen)
Heat/Thermal energy, light, carbon dioxide, water vapor