multiple choice
What is the substance of the physical world?
a. matter
b. energy
c. elements
matter
What is Mrs Edens most popular saying
Do the hard things
The use of science to solve practical problems is called
technology
which of the following affects soil color?
a. amount of organic material
b. percentage of sand
c. size of space
what term describes the following sentence:
"If a vehicle is an airplane, then it has wings"
hypothetical proposition
what factor is changed when testing a hypothesis
a. controlled variable
b. dependent variable
c. independent variable
independent variable
What is the study of matter
science
Hypotheses are made using __________ reasoning
deductive
a way of explaing an object or event by using a set of facts determined through experiments is called a ___
theory
In an if/then statement what is the "then" part called
consequent
what is the term for the factor that remains the same throughout the experiment
a. controlled variables
b. dependent variables
c. experimental variables
controlled variables
in the engineering design process, what step comes after researching a nd developing possible solutions to the problem
choosing a design and making a plan
Chemists express the degree of acidity or basicity of a substance using ________ which has values of 0 to 14
PH scale
what primary plant food element is essential for cell division, growth and plant maturity
phosphorus
what is the substance of the physical world
matter
which component of the scientific method involves gathering data in an orderly way?
a. observing
b. experimenting
c. theorizing
observing
what is the ultimate purpose of inductive reasoning
to determine cause and effect
the three basic soil substances that plants need to survive are called
primary plant food elements
what do logicians call a statement of fact that can be used to make a conclusion
proposition
what factor is changed when testing a hypothesis
independent variable
what is the process of speculating about objects or events of nature and formulating a sensible explanation?
a. observing
b. hypothesizing (guessing)
c. theorizing
hypothesizing
in what type of soil do plants grow best
nuteral or slightly acidic
what soil layer contains more mineral material and less organic material
subsoil
what term describes the ability of bedrock to inhibit water from easily passing through
impermeable
what is the process of speculating about objects or events of nature and formulating a sensible explanation
hypothesizing