Nature of Science
Properties of Matter
Changes in Matter
Classification of Matter
Mixed Questions
100
Chemistry is the study of this
What is matter
100
Properties that can be seen without changing the substance are
What are physical properties
100
Rust on a bicycle
What is a chemical change?
100
A salad is an example of this.
What is a mixture?
100
A wood block has a mass of 100g and a volume of 25 mL. What is its density? Density = Mass/Volume
What is 4 g/mL?
200
The part of the scientific method in which you make an educated guess to explain an observation.
What is hypothesis?
200
Properties that you can't usually see without changing the substance are
What are chemical properties?
200
You pour melted wax into a cold cup of water and get a solid. The wax has undergone what kind of change?
What is physical change?
200
Pure substances are broken down into these.
What are elements and compounds?
200
What piece of lab equipment is best for measuring the volume of a liquid?
What is a graduated cylinder?
300
True or False: All hypotheses become theories.
What is False?
300
Color, texture, odor, and density are all these types of physical properties. a. intensive b. extensive
What are intensive?
300
What kind of change happens when an apple turns brown after sitting out for too long.
What is chemical change?
300
NaCl, KI, and MgO are all this type of pure substance.
What are compounds?
300
Compounds are made up of 2 or more of these.
What are elements?
400
You throw a ball 4 times that misses the target and falls in 4 different places. Your shots are ____________
What is neither accurate nor precise.
400
Reactivity, oxidation, and pH are all this type of property
What is chemical?
400
When 2 clear liquids are mixed together, the substance begins to bubble and change color. This is an example of what type of change?
What is chemical change?
400
Kool-aid, saltwater, and sweet tea are all this type of mixture.
What is a homogeneous mixture?
400
What is the difference between a homogeneous and heterogeneous mixture?
What is homogeneous mixtures look the same and heterogeneous mixtures look different?
500
The number 50623.00 has this many significant figures.
What is 7
500
The difference between intensive physical properties and extensive physical properties is this.
What is intensive properties don't change, but extensive properties can change with quantity.
500
Solubility (dissolving) is this type of change.
What is physical?
500
Mg, O, Na, H, He are all this type of pure substance.
What are elements?
500
What is the difference between a hypothesis and a theory?
What is a theory explains a law or many related observations, and a hypothesis is an educated guess with an explanation of why the guess is true
M
e
n
u