Key Terms
The scientific study of objects, matter, energy, space, and events beyond Earth’s atmosphere.
Astronomy
The information must be needed as well as _______ in order to be considered important enough to require a science to study it.
Useful
An early farming community wants a reliable clue that the planting season is approaching. What information would you suggest they rely on?
A reliable star pattern?
What is the first step in the scientific method?
Identify the Problem / Ask a Question
Letters that aren’t vowels are called what?
Consonants
Science developed due to a ______ for understanding patterns.
NEED
Why did telescopes expand what astronomers could study compared with the unaided eye?
They could see farther and clearer.
Which likely came first, a need to understand time, or a need to understand direction?
Direction
In the metric system what is the base unit for mass?
Gram
What color is produced when you mix all the colors of LIGHT?
White
The term ______ is used to describe days with equal sunlight and darkness.
Equinox
A student notices that the same star rises about four minutes earlier each night. What is the term used to describe what that student is seeing?
A Sidereal Day
Observation was a key component to growth of any form of science, but what specifically were the observations of early humans looking for?
Predictable Patterns
Which two states of matter are considered fluid?
Liquid and Gas
How many bones do sharks have?
zero
This term describes motions as we see it, not necessarily what is actually moving.
Apparent Motion
An astronomical model makes a prediction, but later observations repeatedly disagree with that prediction. According to the scientific process in the presentation, what should happen next?
The model should be adjusted, not dismissed.
How did the early humans use stars to navigate their surroundings?
Establish direction.
The law states: matter cannot be created or destroyed, only changed
The Law of Conservation
What is the accepted acceleration of gravity?
9.8 m/s/s
A unit of time measured from noon on one day until noon the next.
Solar Day
Why is a predictable pattern an important early step to identify when conducting a study?
It gave them something they could test.
Why was astronomy immediately associated with time?
It gave them something consistent and measureable.
All energy on the planet originally derives from what?
The Sun
In which sport are the terms “birdie” and “eagle” commonly used to describe scoring?
Golf