
The study of the origin, history, and structure of the Earth and the processes that shape the Earth is called
Geology

The scientific study of the sea is called
Oceanography

The study of the Earth’s atmosphere, especially in relation to weather and climate, is called
Meteorology

___________ study stars, asteroids, planets, and everything else in space.
Astronomers

_____________ are a series of steps that scientists use to answer questions and solve problems.
Scientific Method

______________ is a possible explanation or answer to a question that can be tested.
Hypothesis

A ________________ is an experiment that tests only one factor, or variable, at a time. All other variables remain constant. By changing only one variable, scientists can see the results of just that one change. If more than one variable is changed, scientists cannot easily determine which variable caused the outcome.
controlled experiment

A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept is a ___________.
model

____________ are models that you can touch.
Physical models

A _______________is made up of mathematical equations and data
mathematical model

____________________ models are composed of many hypotheses. Each hypothesis is supported through scientific methods.
Conceptual

___________is an explanation that ties together many hypotheses and observations. A ________ not only can
explain an observation you have made but also can predict what might happen in the future.
(same answer for both blanks)
theory

Scientists who study the Earth’s atmosphere have developed mathematical climate models to try to imitate Earth’s climate. A ________ model is like a complicated recipe with thousands of ingredients.
climate

Today, most scientists and other people in almost all countries use the __________ __ _______ or ____.
International System of Units, SI

________ is the basic SI unit of length.
Meter

____________ is the measure of the size of a body or region in threedimensional space.
Volume

A ___________ is the basic SI unit of volume.
liter

A measure of the amount of matter in an object is _____.
mass

The _____________ is the basic unit for mass in SI.
kilogram or gram

The ratio of the mass of a substance to the volume of the substance is the substance’s___________.
density

