Earth Science Chapter 1

A planned, organized approach to solving a problem

Water in Earth’s oceans, seas, lakes, rivers, and glaciers, as well as the water in the atmosphere

On the Celsius scale, a comfortable room temperature is about __ degrees Celsius

How many parts is the core divided into?

Weight does NOT vary with location

SI unit of mass

Study of Earth's oceans

The blanket of gases that surrounds our planet

SI units of Area

Mass made up of particles that vibrate quickly has a higher temperature than a mass whose particles vibrate more slowly

In scientific notation, a number is expressed as a value between __ and __ multiplied by a power of 10

Suggested explanation for an observation

Earth, earthquakes, volcanoes

What percentage of Earth's atmosphere contains nitrogen?

Atmosphere, weather, climate

An explanation based on many observations during repeated experiments

Factor that can change if the independent variable is changed.

Study of objects beyond Earth's atmosphere

Rigid outer shell of the planet

The partly molten layer in the Earth's upper mantle

The factor that is manipulated by the experimenter.

A basic fact that describes the behavior of a natural phenomenon

Standard unit for weight

The core is thought to be made of iron and silver?

A good scientific experiment tests how many variables at a time?

What is usually measured with a watch or clock?

SI units of volume

SI unit for Length

A measure of the average vibrations of the particles that make up a material

Branch of Earth science that studies the air that surrounds our planet

What percentage of Earth's atmosphere is oxygen?

The two different types of crust in the Lithosphere are continental and oceanic

Which provides the most precise time?

Density is calculated by ____ the mass of the matter by its volume

Most scientific studies use a standard system of units called Le Système International d’Unités, or SI for short.

Amount of surface included within a set of boundaries and is expressed in square units of length

Density is NOT expressed in

NOT a common way to form and display scientific data

Often includes both a number that identifies how many units there are and a unit of measure

How old is Earth's history?

Measure of the amount of matter that occupies a given space

All organisms on Earth as well as the environments in which they live

What percentage of Earth's water is salt water?

On a line graph, independent variable is plotted on the (y) axis and the dependent variable is plotted on the (x) axis

An idea, a system, or a mathematical expression that is similar to the idea being explained

Used in an experiment to show that the results of an experiment are actually a result of the condition being tested

The study of materials that make up Earth and the processes that form and change these materials