The Scientific Method
A possible answer to a testable question.
What is the hypothesis?
The most appropriate unit to measure the length of an ant.
What are millimeters?
The base unit of all matter.
What is an atom?
Minerals are composed of one or more of these.
What are elements?
Observations that deal with (1) numbers or amounts and (2) descriptions.
What are (1) quantitative observations and (2) qualitative observations?
1. Independent Variable 2. Dependent Variable 3. Constants
What is 1. the one factor changed on purpose in an experiment? 2. the factor that responds and is measured in an experiment? 3. all other variables that remain unchanged?
Two ways to measure volume.
What is the water displacement method and length x width x height?
Particles located in the atom's nucleus.
What are protons and neutrons?
Three types of rocks.
What are igneous, metamorphic, and sedimentary?
An example of a chemical and physical change.
What is chemical (changes substance) and physical (changes appearance)?
(1) Used to record collected data.
(2) Used to analyze data.
(1) What is a data table?
(2) What is a graph?
The most appropriate unit to measure the temperature of a chemical reaction.
What is Kelvin?
Two or more atoms that are chemically bonded together.
What is a compound?
At least 5 properties of minerals.
What are hardness, color, luster, cleavage and fracture, streak, reactivity, etc.
The curve on the surface of the water.
What is the meniscus?
The use of scientific discoveries to help people or make their lives easier.
What is technology?
What is the International System of Units?
Two or more compounds combined together.
What is a mixture?
Rocks have a definite chemical composition (true or false).
What is false?
The difference between an element and a compound.
What is an element cannot be broken down into simpler substances while a compound is two or more atoms of different elements bonded together?
Shows the variables on a graph are related.
What is the (1) IV and (2) DV?
What is a trend?
An object's length is 5 cm, width is 5 cm, and height is 2 cm. It's mass is 40g. Find it's density.
What is: length x width x height = 5 cm x 5 cm x 2 cm = 15cm^3.
Density = Mass/Volume = 40 g / 20 cm^3 = 2 g/cm^3.
An example of an element, compound, and mixture.
What is copper, water, and saltwater? (more answers acceptable)
The 4 characteristics of a mineral.
What is naturally formed, inorganic, crystalline solid, and definite chemical composition?
The mineral group that makes up most of Earth's crust.
Alternatively, the 2 elements that make up most of Earth's crust.
What are silicates?
What is silicon and oxygen?