Scientific Method
"IF I water my plants twice as often, THEN they will grow twice as tall" is an example of a what
What is a hypothesis?
Anything that takes up space or has mass
Matter
A substance that is shiny, a good conductor, and malleable is an example of what?
What is a metal?
Oil floats on water because of a property called what?
What is density?
The smallest building block of life
What is an element?
This part of the scientific method is where data is collected
What is the experiment?
Hydrogen (H), Calcium (Ca), Carbon (C), Oxygen (O), and Nitrogen (N) are all examples of what?
What is an element?
A substance that is dull, a poor conductor, and brittle is an example of what?
Volume and what other component are needed to calculate density?
What is mass?
a change where no new substance is formed.
What is a physical change?
Google Scholar, Scholastic, and National Geographic websites are all examples of what?
What is a credible source?
water (H2O), Salt (NaCl), and carbon dioxide (CO2) are all examples of what?
What is a compound?
A substance that is shiny, a semi-conductor, and is brittle is an example of what?
What is a metalloid?
The metric units we often use to describe mass are called what?
grams (g), kilograms (kg) also acceptable
The measure of how much mass is contained in a given unit volume.
What is density?
This part of the scientific method is determined by the data gathered during an experiment
What is the conclusion?
Air is an example of what?
What is a mixture?
An electrician would want to use what type of material to effectively wire a house with electricity?
What is metal?
Determine the density of a sample of an unknown substance with a volume of 5 cm³ and a mass of 20 grams.
What is 4 g/cm3?
a change of materials into other, new materials with different properties, and one or new substances are formed.
What is a chemical change?
What is the independent variable?
heterogenous and homogenous are classifications of what?
What is a mixture?
We can compare metals, non-metals, and metalloids using what?
What are physical properties?
In chemistry, densities of substances are often compared to the density of this substance?
What is water?
a sample of matter with both definite and constant composition
What is a pure substance?