WorksheetsE.S - Unit 1: Intro to Earth Systems
Total questions: 45
Worksheet time: 24mins
When did our Solar System form?
4.5 Billion Years Ago
2020 Years Ago
4 Million Years Ago
1 Billion Years Ago
The process found in stars where heavier elements are formed by squeezing nuclei together.
Acceleration
Force
Fission
Fusion
Planets formed from nebular cloud of ________ and ________.
Rock & Water
Water & Air
Gas & Dust
Sodium & Potassium
Which is NOT a form of evidence scientist use to determine Earth's age.
Surface subject to extensive erosion
Earth's orbit around the sun
Meteorites
Radioactive Decay
What drives plate tectonics?
Pressure
Heat
Gravity
Momentum
In the graphic, the circular arrows indicate _____________.
Convection currents in the mantle
Conduction in mantle
Solar wind blowing away Hydrogen and Helium atoms
Tornadoes forming within the earth
What is Conduction?
The passage of energy, by direct contact
The transfer of energy through fluids in which heat rises and cool materials sink
What is Convection?
The passage of energy, by direct contact
The transfer of energy through fluids in which heat rises and cool materials sinks
Another name for inner planets.
Terrestrial
Jovian
Another name for outer planets.
Terrestrial
Jovian
____________ planets are usually made from Metals and Rocky materials.
Terrestrial
Jovian
___________ planets are usually made from various types of Ice like Water and Ammonia.
Terrestrial
Jovian
According to the graph, which planet would be made mostly out of Silicates, and Rock Materials.
Earth
Jupiter
Saturn
Uranus
According to the graph, which planet would be made mostly out of Ammonia Ice.
Earth
Jupiter
Saturn
Uranus
Which is NOT a form of evidence scientist used to help learn about Earth's composition?
Oceanography
Earthquakes (Seismic) Data
Magnetosphere
Meteorites
Volcanoes
According the graph which wave's velocity stops at 3,000km?
S wave
P wave
S waves can not travel through liquids. According to the graph, which layer of the earth supports this statement?
Inner Core
Outer Core
Mantle
Crust
According to the illustration, which planet closely resembles Earth the most?
Venus
Mars
Mercury
Moon
Which layer of the Earth does the letter A represent?
Crust
Mantle
Outer Core
Inner Core
Which layer of the Earth does the letter B represent?
Mantle
Inner Core
Outer Core
Crust
Which layer of the Earth does the letter C represent?
Inner Core
Mantle
Crust
Outer Core
Which layer of the Earth does the letter D represent?
Outer Core
Inner Core
Crust
Mantle
The process of Earth's layers settling by density.
Differentiation
Layering
Stacking
The image shows that Earth's layers are similar to Mars, yet Earth is still geologically active while Mars is not. The most likely reason for this is because:
Earth is in the Habitable Zone and Mars is not
Mars is smaller, cooled faster, and became less active
Earth has an Upper Mantle
Positive charge & Same as atomic number
Protons
Electrons
Neutrons
No charge & found in nucleus of atom
Protons
Electrons
Neutrons
Negative charge & Same number as protons
Protons
Neutrons
Electrons
Protons + Neutrons make up the ___________.
Atomic Charge
Mass Number
Atomic Number
How many protons does Uranium have?
92
238
146
How many Neutrons does Uranium have?
92
238
146
How many electrons does Uranium have?
92
238
146
What is the Atomic Number for Uranium?
92
238
146
What is the Mass Number for Uranium?
92
238
146
Uranium-235 is a ______________.
Isotope
Ion
How many neutrons does Uranium-235 have?
92
146
238
143
What percent of a parent / daughter isotope is present after
the first half-life?
50% Parent & 50% Daughter
25% Parent & 75% Daughter
12.5% Parent & 87.5% Daughter
What percent of a parent / daughter isotope is present after the third half-life?
50% Parent & 50% Daughter
75% Parent & 25% Daughter
12.5% Parent & 87.5% Daughter
Which one of Earth's early atmosphere's is being described?
Description: Helium and Hydrogen gases were blown away because Earth’s gravity was too weak.
Earth's 1st Atmosphere
Earth's 2nd Atmosphere
Earth's Current Atmosphere
Which one of Earth's early atmosphere's is being described?
Description: Photosynthesis responsible for buildup of free oxygen.
Earth's 1st Atmosphere
Earth's 2nd Atmosphere
Earth's Current Atmosphere
Which one of Earth's early atmosphere's is being described?
Description: Carbon dioxide from out gassing.
Earth's 1st Atmosphere
Earth's 2nd Atmosphere
Earth's Current Atmosphere
According to the graph, the oxygen content in Earth's atmosphere peaked (was highest) when?
approximately 300 million years ago
approximately 600 million years ago
approximately 100 million years ago
How did Earth's early fresh water oceans become salty?
Organisms remains left salt behind after decaying
Salt was produced through processes from the Earth's mantle
Rainwater carried salty sediments to the deltas and then the oceans.
Students of different ages were given the same jigsaw puzzle to put together. They were timed to see how long it took to finish the puzzle.
What was the Independent Variable in this experiment?
Students ages
Jigsaw puzzle
Time it took to finish
Students of different ages were given the same jigsaw puzzle to put together. They were timed to see how long it took to finish the puzzle.
What was the Dependent Variable in this experiment?
Students ages
The jigsaw puzzle
Time it took to finish
The process by which an unstable atomic nucleus loses energy by radiation is called _____________.
Mitosis
Spontaneous Generation
Nuclear Fusion
Radioactive Decay
