Astronomy 1
What causes day and night on Earth?
A. The Earth revolving around the Sun.
B. The Earth rotating on its axis.
C. The Moon blocking sunlight.
D. The Sun moving around the Earth.
B. The Earth rotating on its axis.
Which statement best describes a neap tide?
A. A tide that occurs when the Sun, Earth, and Moon are aligned, producing the highest tidal range.
B. A tide that occurs when the Moon is at a right angle to the Sun, producing the lowest tidal range.
C. A tide that happens only during full moons.
D. A tide caused by underwater volcanic eruptions.
B. A tide that occurs when the Moon is at a right angle to the Sun, producing the lowest tidal range.
What happens to the density of hot matter, and what is its effect?
A. It becomes more dense and sinks.
B. It becomes less dense and rises.
C. It stays the same density and does not move.
D. It becomes heavier and stays at the bottom.
B. It becomes less dense and rises.
How are sedimentary rocks formed?
A. From cooling and solidification of molten magma.
B. From heat and pressure changing existing rocks.
C. From layers of sediments being compacted and cemented.
D. From volcanic eruptions depositing lava on the surface.
C. From layers of sediments being compacted and cemented.
How metamorphic rocks are formed?
A. Cooling and solidification of magma or lava.
B. Compaction and cementation of sediments over time.
C. Heat and pressure altering existing rocks without melting them.
D. Erosion and deposition of rock fragments.
C. Heat and pressure altering existing rocks without melting them.
Which part of the Sun is where nuclear reactions happen, and why?
A. The photosphere, because it is the brightest and hottest visible layer.
B. The corona, because it extends far into space and releases energy.
C. The core, because it has extremely high temperature and pressure needed for nuclear fusion.
D. The sunspots, because they are dark areas that store energy.
C. The core, because it has extremely high temperature and pressure needed for nuclear fusion.
Which factors cause Earth's seasons?
A. Distance from the sun and revolution
B. The Earth axial tilt and revolution
C. Rotation and revolution of Earth
D. Air Masses and ocean currents
B. The Earth axial tilt and revolution
What happens along a convergent boundary between an oceanic plate and a continental plate?
A. The continental plate sinks beneath the oceanic plate.
B. The oceanic plate slides under the continental plate, forming a subduction zone.
C. Both plates move away from each other, creating a rift valley.
D. The plates slide past each other without changing elevation.
B. The oceanic plate slides under the continental plate, forming a subduction zone.
How is a barrier island formed?
A. By volcanic eruptions building up land in the ocean.
B. By sediment deposition from waves and currents along the coast.
C. By glaciers carving out land and leaving behind islands.
D. By tectonic plates colliding and uplifting the ocean floor.
B. By sediment deposition from waves and currents along the coast.
Which of the following can slow down chemical weathering?
A. High rainfall and humidity
B. Hot temperature
C. Cold temperature
D. Strong winds
C. Cold temperature
Which of the following is NOT true about the amount of solar energy reaching the Earth?
A. It varies with the angle of the Sun’s rays.
B. It changes with seasonal variations.
C. It depends on the distance from the Sun.
D. It is affected by the Earth’s atmosphere.
C. It depends on the distance from the Sun.
Which orientation of the Sun, Earth, and Moon will most likely create the largest tidal range?
A. The Moon is at a right angle to the Earth and Sun.
B. The Moon is between the Earth and the Sun in a straight line.
C. The Sun is at a right angle to the Earth and Moon.
D. The Moon is directly over the equator while the Sun is over a pole.
B. The Moon is between the Earth and the Sun in a straight line.
Which best describes how energy moves through the Earth’s mantle?
A. Energy moves by conduction as particles vibrate in place without moving.
B. Energy moves by convection as hot, less dense material rises and cool, denser material sinks.
C. Energy moves by radiation through empty space.
D. Energy moves by reflection from solid rock layers.
B. Energy moves by convection as hot, less dense material rises and cool, denser material sinks.
Which process will most likely form mountains?
A. Two tectonic plates moving away from each other.
B. Two tectonic plates sliding past each other.
C. Two tectonic plates colliding at a convergent boundary.
D. Wind slowly depositing sediment in a valley.
C. Two tectonic plates colliding at a convergent boundary.
How can an igneous rock become a metamorphic rock?
A. By cooling and solidifying from magma.
B. By being buried and exposed to heat and pressure without melting.
C. By breaking down into small sediments and compacting.
D. By being eroded and transported by water.
B. By being buried and exposed to heat and pressure without melting.
Fill in the blanks.
The terrestrial planets were able to form _________ because they are made out of rock and metal, which condense at ________.
A. close to the sun , high temperatures
B. close to the sun, low temperatures
C. far from the sun, high temperatures
D. far from the sun, low temperatures
A. close to the sun , high temperatures
The terrestrial planets were able to form close to the sun because they are made out of rock and metal, which condense at high temperatures.
What happens to the amount of solar mass during the process that produces the Sun’s energy?
A. The mass increases because hydrogen atoms combine and create extra matter.
B. The mass stays exactly the same during nuclear fusion.
C. A small amount of mass is lost and converted into energy.
D. Most of the Sun’s mass is destroyed in one reaction.
C. A small amount of mass is lost and converted into energy. (nuclear fusion)
Which statement best describes a mid-ocean ridge?
A. It forms where two tectonic plates collide and create mountains.
B. It forms where two oceanic plates move away from each other and new crust is created.
C. It forms where one oceanic plate sinks under a continental plate.
D. It forms when sediments build up along the ocean floor.
B. It forms where two oceanic plates move away from each other and new crust is created.
What happens along a convergent boundary between an oceanic plate and a continental plate?
A. The two plates push against each other, producing a fault-block mountain.
B. Pressure builds up, causing earthquakes to occur in the middle of the ocean.
C. The oceanic plate is subducted beneath the continental plate, forming a subduction zone.
D. The continental plate is subducted beneath the oceanic plate, forming a subduction zone.
C. The oceanic plate is subducted beneath the continental plate, forming a subduction zone.
Why do scientists use P-waves and S-waves?
A. To measure the temperature of the Earth’s core.
B. To locate the epicenter.
C. To predict weather patterns and storms.
D. To track the movement of tectonic plates on the surface.
B. To locate the epicenter.
Fill in the blanks.
The Jovian planets formed farther from the _______ , in an area where temperatures were _______ . Because of this, hydrogen compounds with ______ were able to condense into icy planetary cores.
A. cold center, colder, low melting point
B. cold center, hotter, high melting point
C. hot center, colder, low melting point
D. hot center, hotter, high melting point
C. hot center, colder, low melting point
The Jovian planets formed farther from the hot center, in an area where temperatures were colder. Because of this, hydrogen compounds with low melting point were able to condense into icy planetary cores.
How does the Sun’s energy help sustain life on Earth?
A. By heating the Earth evenly across all regions.
B. By differential heating of the Earth.
C. By only warming the equator, leaving poles cold.
D. By providing energy through reflected sunlight from the Moon.
B. By differential heating of the Earth.
At which location are earthquakes most likely to occur?
A. Continental crust
B. Ocean crust
C. Lithosphere
D. Ocean trench
A. Continental crust
Earthquakes are most likely to occur along the continental crust because it is where tectonic plates interact, collide, and generate stress that causes seismic activity.
Which scenario best explains how chemical weathering differs from physical weathering?
A. A rock breaking into smaller pieces by freezing water vs. a rock changing color due to acid rain.
B. A rock cracking from wind vs. a rock cracking from earthquakes.
C. A rock wearing down from sand vs. a rock moving downhill.
D. A rock melting from lava vs. a rock being buried under soil.
A. A rock breaking into smaller pieces by freezing water vs. a rock changing color due to acid rain.
How does mantle convection drive tectonic plate movement?
A. Cold mantle rises, hot mantle sinks, moving plates randomly.
B. Hot mantle rises, cold mantle sinks, creating circular flow that moves plates.
C. Convection happens only near volcanoes, pushing plates locally.
D. Sun heats the mantle, forcing plates to drift.
B. Hot mantle rises, cold mantle sinks, creating circular flow that moves plates.