Classifications of Matter
Classification of Matter PART 2
Scientific Method
Density
Odds and Ends from Unit 1
Random/Misc
1000
Carbon is an example of an _______
Element
1000
Iron is an example of an ________
Element
1000
A possible explanation to a problem that can be tested in an experiment
Hypothesis
1000
What is the formula for density?
Mass/Volume
1000
Color is an example of a _________ property
Physical
1000
What is the capital of Minnesota?
St. Paul
1500
When 2 or more things are combined and can be separated it is called a _______. They can be homogeneous or heterogeneous
Mixtures
1500
Salt water is an example of a _________ mixture. This is also known as a solution
Homogeneous
1500
The variable that we change or manipulate in an experiment
Independent
1500
What are the 2 common units we use for density?
g/ml or g/cm3
1500
How close your measurement is to the target.
Accuracy
1500
What is the closest planet to the Sun?
Mercury
2000
Salt (NaCl), Sugar (C6H12O6) are examples of ________. They are 2 or more elements bonded together
Compounds
2000
Iron Oxide (Fe2O3) would be an example of a _____
Compound
2000
The variable that we do not change, it is the variable that is measured
Dependent
2000
Without a calculator, an object has a mass of 100g and a volume of 20 cm3. What is the density of this object?
5 g/cm3
2000
What is the volume of this liquid?
24 mL
2500
Gatorade is an example of a ________ _________. It will look the same throughout
Homogeneous Mixture
2500
Give an example of a homogeneous mixture
Answers will vary
2500
This is something observable in nature. It is not an explanation.
Law
2500
Without a calculator, an object has a mass of 75 grams and a volume of 25 cm3.
1. What is the density of the object?
2. Will it float or sink in water?
1. 3 g/cm3
2. Yes
2500
Iron rusting is an example of a __________ change
Chemical
2500
Which country is directly west of Spain? These two countries make up the Iberian Peninsula
Portugal
3000
Give an example of a heterogeneous mixture
Answer will vary
Some examples: Chocolate chip cookie, Pepperoni pizza, trail mix
3000
A solution is a homogeneous mixture with small particles. What is the term for a mixture with large particles?
Suspension
3000
You are completing an experiment on plant growth. You are testing different amount of fertilizers (g) and how it relates to growth of plants (Height). Which variable is the independent and which variable is the dependent?
Ind: Amount of fertilizer
Dep: Height of plants
3000
Using a calculator. An object has a mass of 5 kg and a volume of 25 L, what is the density in g/mL?
.2 g/mL
3000
This an example of low ________ but high __________
Accuracy, Precision
3000
Speed/Time is the formula for
Acceleration