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ICCS Earth Science 1
Terms in this set (98)
Factor that YOU change in an experiment
Factor that you MEASURE in an experiment
An educated Guess
Different factors that can be changed in an experiment
Variable the DOES NOT change in an experiment
Safety Symbol - Eye Safety
Why is Pluto not a planet?
It has not "cleared its neighborhood"
Which planet rolls on its side
Where is the asteroid belt located
Between Jupiter and Mars
Anything that has mass and takes up space
What subatomic particles are in the atom's nucleus?
Neutrons and protons
positively charged particles within an atom's structure
an atom that has been charged by gaining or losing an electron
subatomic particle that doesn't have much mass and move in clouds around the nucleus
Electrons located on the outside energy level
What are the rows on the periodic table called?
What are the columns on the periodic table called?
The atomic number is always the number of?
The number of protons + Neutrons =
C-14 is an?
Form from magma and lava when it cools
Intrusive Igneous Rock
Igneous rocks that form below earth's surface. Cool slowly with large crystals
How does sedimentary rock change to sediments?
Through weathering and erosion
What is the procedure by which sedimentary rocks are pressed together?
Compaction and cementation
Extrusive Igneous Rocks
Formed from lava that cooled at or above earth's surface. Cools quickly with small crystals.
Formed when loose materials become pressed or cemented together or when minerals from from solutions.
How does the scratch test work?
Tests for hardness. One rock scratches another - it is harder.
Physical characteristic in which a mineral will peel off in sheets
Calculate the volume of an irregular object. Water-140 mL, water + magnetite=180mL. What is volume of magnetite?
180-140=40mL=40 cm cubed
Calculate density. Volume of diamond-18 cm cubed and mass is 36 g.
Density= 36g/18 cm cubed = 2 g/cm cubed
What do the plates of the lithosphere float on?
Plates move apart at these boundaries
What is the outer Core's state of matter?
Earth's crust and upper mantle
plates that slide past one another at these boundaries
Plates that move together at these boundaries
Currents caused by hot liquid rising and cooler liquid sinking.
What is the very center of the earth called?
The inner core
What is the inner core's state of matter?
Solid. Due to high pressure.
What is the outermost layer that contains the moving plates called
In relative dating, the layer on top is the ______?
Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence.
A rock's exact age can be determined by examing the atom of an element - Carbon-14 for example
When the sun's rays strike Earth at their northernmost and southernmost positions
Can be used for absolute dating fossils up to 75,000 years old. The fossil must have been alive at one time.
A fossil is found in a rock layer and does not reappear in a newer rock layer, it is _________
Principle of superposition
State that for undisturbed rocks, the oldest rocks are on the bottom and the rocks become younger as the go up.
fossils of a species that: 1. Lived on Earth for short periods of time 2. Were abundant 3. and were widespread geographically
1/2 Life - it there are 300 grams of a material when it dies, how many grams will be left after 2 1/2 lives
Phases of the moon after full moon as the moon appears to get smaller
Phases of the moon after the new moon as the moon appears to get larger.
Caused by the rotation of the Earth - main winds go from west to east
The layer of the atmosphere closest to earth. Contains 99% or the water vapor and all of the weather.
Layer above the troposphere. Contains the ozone layer.
Why don't all areas on Earth's surface receive the same amount of radiation?
Because the earth is curved
Then the sun's rays strike Earth directly at the equator
the giving off of moisture from the leaves of plants
Why do we have seasons
Because of Earth's tilt
Why do we have a year?
Revolution around the sun
Why do we have night and day
Because of Earth's rotation
Line of constant pressure on a weather map
Line of constant temperature on a weather map
the amount of water vapor held in the air
the state of the atmosphere at a specific time and place
A cold front is moving at 30 miles/hr. How far will it move in 5 hours?
High pressure is associated with what kind of weather?
What instrument measures wind speed?
Weather patterns move in which direction across the US?
West to East
What instrument measures air pressure?
What instrument measures wind direction?
What instrument measures Relative humidity
List the lifeycle of a low mass star (like the Sun)
Nebula, main-sequence star, red giant, planetary nebula, white dwarf
What is the collapsed core of a supernova called?
What is the final stage in the evolution of a supernova called, where the core's mass collapses to a point that has no volume and gravity so strong that no light can escape?
What is the diagram called that compares the brightness of stars to their temperature?
Hertzsprung Russel Diagram
Which color star is the hottest?
Earth is at the center of the revolving planets and stars
Chemical bond formed when 2 atoms share electrons
A covalent bond in which electrons are share unequally
Data that do not fit in the data set
Distance from sun to the Earth
Produced by earthquakes. Vibrations in earth.
Build up mountains and landmasses
Destroy and wear away landmasses through erosion and weathering
An approximation of a number based on reasonable assumptions
Refers to how close a group of measurements are to each other
Item used on Earth but originally developed for use in space.
a satellite orbits Earth at the same rate as Earth rotates, staying the same place over Earth's equator all the time.
Caused by differences in the density of ocean water
Sound Navigation and Ranging
large stream of moving water that flows through oceans caused by winds
Largest and most powerful surface current in the North Atlantic Ocean
Lowest High Tide. Moon and sun are at right angles with eachother.
Highest High Tides - Moon and sun are in line with eachother.
If a series of undisturbed rock layers has shale below limestone which is below sandstone, the shale is the _________.
The largest part of the shadow in an eclipse. Part of the sun is visible from earth.
Sun, then earth, then moon. Moon moves through Earth's shadow.
Very darkest part of the object's shadow. Small Part.
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