Earth Space Science Review

Earth is Always Moving

• Rotates: It Spins on an Axis (an imaginary tilted line that starts at the north pole, goes through Earth's center, ends at the south pole)

• Revolves: It Orbits Around the Sun (takes a circular path around center of the solar system)

Multiple Choice

What is the imaginary line that starts at the north pole, goes through the center of Earth and exits through the south pole?

• axis

• orbit

• rotate

• revolve

Multiple Choice

What is the circular path of Earth around the sun called?

• axis

• orbit

• rotate

• revolve

Earth's Rotation

• Means: spins on an axis

• Takes: 24 hours, 1 day

• Causes: Day and Night

Multiple Choice

Earth's spin on its invisible axis is called its

• rotation

• revolution

Multiple Select

How long does it take for Earth to complete one rotation? Select all that are correct.

• 1 day

• 3 days

• 12 hours

• 24 hours

Multiple Choice

The rotation of Earth on its tilted axis causes

• day and night

• seasons

Day and Night

• As Earth rotates, different parts of it face the sun.

• Side facing sun - Daytime

• Side facing away from sun - Nighttime

Multiple Choice

As Earth spins on its tilted axis, the part of the Earth that faces the sun has

• daytime

• nighttime

Multiple Choice

As Earth spins on its tilted axis, the part that faces away from the sun has

• daytime

• nighttime

Earth's Revolution

• Means: Orbits (circular motion) around an object (sun)

• Takes: 365 1/4 Days, 1 Year

• Causes: Seasons - Winter, Spring, Summer, Fall/Autumn

Multiple Choice

Earth's orbit (circular motion) around an object (the sun) is called its

• rotation

• revolution

Multiple Select

How long does it take for Earth to make one orbit around the sun?

• 1 day

• 365 1/4 days

• 24 hours

• 1 year

Multiple Choice

The revolution of Earth around the sun causes

• day and night

• seasons

Seasons

• Tilted Axis + Orbit Around Sun = Seasons

• Tilt of axis never changes, always points in the same direction

• Areas tilted toward the sun get more sunlight and heat (summer)

• Areas tilted away from the sun get less sunlight and heat (winter)

Multiple Select

What two things contribute to which season happens where?

• tilt of Earth

• orbit of Earth around the Sun

• the speed of Earth's spin

• Earth's magnetic field

Multiple Choice

The part of Earth that is tilted toward the sun will have

• summer

• winter

Multiple Choice

The part of Earth that is tilted away from the sun will have

• summer

• winter

Shadows

• The size and shape of the shadow can change.

• They can change based on the position of the Sun at different times of the day.

Multiple Choice

What causes our view of the Sun to change?

• Earth's rotation

• Earth's revolution

• A tree that is in the way

• My neighbor's house

Weathering breaks down rock into smaller pieces called sediment.

Caused by weather, wind, ice, water, touching.​

Ex: Rock breaking smaller because of ice in cracks.

Weathering

Multiple Choice

If the Sun is in the West, then a shadow will extend towards the ___.

• east
• west

• south

• north

the movement of sediment from one place to another, because of wind, water, ice.

Ex: River moving sediment downstream.

Erosion

Sediment being put somewhere and building up.

Ex: Sand being blown into piles forming sand dunes

Deposition

Breaks it down

Weathering

Carries it away

Erosion

Drops it off, leaving it there to stay.

Deposition

Multiple Choice

The process by which rocks are broken down

• Weathering

• Deposition

• Erosion

• Sedimentation

Multiple Choice

The process in which wind, water, ice or gravity move rock fragments from one location to another

• Weathering

• Sedimentation

• Erosion

• Deposition

Multiple Choice

The process in which sediment settles out (drops to the bottom) of the water or wind that is carrying it

• Weathering

• Erosion

• Sedimentation

• Deposition

Multiple Choice

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Multiple Choice

Wind blasting sand at rock and carving out caves

• Weathering
• Erosion
• Deposition

Multiple Choice

Water getting into cracks, freezing, and breaking the rocks or pavement apart

• Weathering
• Erosion
• Deposition

Multiple Choice

What caused this canyon to form over many years?

• Water
• Deposition
• valley
• Plants

Multiple Choice

Water washes rocks and soils down slopes, causing a mudslide.

• Weathering
• Erosion

Multiple Choice

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Multiple Choice

Muddy water being carried away by a fast-moving river

• Weathering
• Erosion
• Deposition 

Multiple Choice

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Multiple Choice

What force lays down sediment in new locations?

• Erosion
• Weathering
• Deposition
• Abrasion

Multiple Choice

What does erosion mean?

• to break apart
• to settle in new spot
• to move
• to sit still

Multiple Choice

What does deposition mean?

• to settle in a new spot
• to break apart
• to sit still
• to move

Multiple Choice

The Grand Canyon was caused by _____________________ erosion from the Colorado River.

• water

• wind

Multiple Choice

the carrying away of rock and/or the Earth’s surface by means of water, ice or wind

• weathering
• erosion
• deposition
• sediment

Renewable Resources

• A natural resource that is unlimited, or:

• A resource that is natural replenished very quickly

Renewable Resources

• Solar (Sun)

• Wind

• Hydroelectric (Water, including Tidal Energy)

• Geothermal (Earth)

• Biomass (ethanol, corn, compost, wood)

Nonrenewable Resources

• A resources that is being used up more quickly than it can replace itself.

• The supply is finite.

• It includes Fossil Fuels

Nonrenewable Resources Examples

• Coal

• Petroleum (Oil, Gasoline)

• Natural Gas

• Nuclear (Plutonium & Uranium)

• Coal, Petroleum, and Natural Gas are called Fossil Fuels

Multiple Choice

Which contains ONLY nonrenewable resources?

• Biomass, Coal, Wind

• Coal, Geothermal, Natural Gas

• Geothermal, Petroleum, Wind

• Coal, Natural Gas, Nuclear

Multiple Choice

Which includes ONLY renewable resources?

• Biomass, Geothermal, Nuclear

• Solar, Wind, Geothermal

• Biomass, Coal, Hydro

• Biomass, Natural Gas, Solar

Multiple Choice

Which of the following is NOT a fossil fuel?

• Coal

• Natural Gas

• Nuclear

• Petroleum

Multiple Choice

Energy that powers almost all food chains comes from:

• Tidal and wave energy

• Fossil Fuels

• Sunlight

• Energy from inside the earth

Multiple Choice

What type of energy is coal gas?

• Renewable gas

• Non-renewable gas