The evidence related to the Big Bang theory best supports which one of the following ideas? (1 point)

Responses

Radiation from the Big Bang is distributed evenly in the universe.
Radiation from the Big Bang is distributed evenly in the universe.

The elements formed by the Big Bang exist in the smaller ratios today.
The elements formed by the Big Bang exist in the smaller ratios today.

The universe is cooling to the point where it will start to contract.
The universe is cooling to the point where it will start to contract.

The universe is warming very rapidly.

The evidence related to the Big Bang theory best supports the idea that:

The elements formed by the Big Bang exist in smaller ratios today.

Kepler’s first law of motion describes what feature of a planet’s orbit?(1 point)

Responses

the shape
the shape

the time required for each orbit
the time required for each orbit

the distance from the aphelion to the perihelion
the distance from the aphelion to the perihelion

the distance to the sun

The correct response is:

The shape of a planet's orbit.

Which process forms all elements up to and including iron, except light elements such as hydrogen and helium?(1 point)

Responses

the Big Bang
the Big Bang

the formation of stars
the formation of stars

nuclear fusion within stars
nuclear fusion within stars

the formation of galaxies
the formation of galaxies

The correct response is:

Nuclear fusion within stars.

Drag each item to the correct location.(2 points)

Earth's Physical Layers Earth's Compositional Layers

Word Bank: includes crust, based on density of each layer, based on chemical makeup of each layer, includes lithosphere

The Earth's Physical Layers:

- includes lithosphere
- based on density of each layer

The Earth's Compositional Layers:

- includes crust
- based on chemical makeup of each layer

Which describes Aristotle's and Ptolemy's models of the solar system? Select the two correct answers.(1 point)

Responses

geocentric
geocentric

Sun at center
Sun at center

circular motions of planets
circular motions of planets

elliptical motions of planets

The correct responses are:

- Geocentric
- Circular motions of planets

Semester A Review Practice

6 of 336 of 33 Items
Question
How was the formation of the mid-ocean ridge system different from the formation of the Himalayas?(1 point)
Responses

The mid-ocean ridge formed at transform plate boundaries. The Himalayas formed at convergent plate boundaries.
The mid-ocean ridge formed at transform plate boundaries. The Himalayas formed at convergent plate boundaries.

The mid-ocean ridge formed at divergent plate boundaries. The Himalayas formed at convergent plate boundaries.
The mid-ocean ridge formed at divergent plate boundaries. The Himalayas formed at convergent plate boundaries.

The mid-ocean ridge formed at convergent plate boundaries. The Himalayas formed at transform plate boundaries.
The mid-ocean ridge formed at convergent plate boundaries. The Himalayas formed at transform plate boundaries.

The mid-ocean ridge formed at transform plate boundaries. The Himalayas formed at divergent plate boundaries.
The mid-ocean ridge formed at transform plate boundaries. The Himalayas formed at divergent plate boundaries.

The correct response is:

The mid-ocean ridge formed at divergent plate boundaries. The Himalayas formed at convergent plate boundaries.

Which major characteristic defines the Cenozoic era?(1 point)

Responses

All mammals became extinct.
All mammals became extinct.

Dinosaurs became extinct.
Dinosaurs became extinct.

Mammals became dominant.
Mammals became dominant.

Dinosaurs became dominant.

The correct response is:

Mammals became dominant.

Drag and drop the words into the correct locations.(1 point)

Matter from space can [answer] to from a nebula or matter from a star can [answer] to form a nebula.

Word Bank: condense, warm, cool, explode

Matter from space can [condense] to form a nebula or matter from a star can [explode] to form a nebula.

Which is a black hole?(1 point)

Responses

a large object in space that reflects all light
a large object in space that reflects all light

a planet with extremely strong gravity
a planet with extremely strong gravity

a body with strong gravity that nothing can escape
a body with strong gravity that nothing can escape

a massive star at the center of the gravity

The correct response is:

A body with strong gravity that nothing can escape.

Physical Weathering Chemical Weathering

Word Bank: a prairie dog burrowing a hole in a rock, wind blowing off bits of a rock over time, limestone in rock dissolving when acid rain flows across it, certain metals in rock oxidizing by exposure to air, an insect digging a hole in a rock for its home, bits of iron in rock rusting when exposed to oxygen and water

Physical Weathering:

- Wind blowing off bits of a rock over time
- A prairie dog burrowing a hole in a rock
- An insect digging a hole in a rock for its home

Chemical Weathering:
- Limestone in rock dissolving when acid rain flows across it
- Certain metals in rock oxidizing by exposure to air
- Bits of iron in rock rusting when exposed to oxygen and water

The magnetic striping patterns on each side of an mid-oceanic ridge are [ the same as / mirrors of / not related to ] each other. Each stripe in the pattern is a measure of [ time / speed / distance ]

The magnetic striping patterns on each side of a mid-oceanic ridge are "mirrors of" each other. Each stripe in the pattern is a measure of "time".

A group of scientists are studying observable matter in a cluster of galaxies. They conclude that the cluster has only a small percentage of the mass required to keep it from flying apart. Why does the cluster remain intact?(1 point)

Responses

Dark matter provides the mass and gravity needed to keep the cluster together.
Dark matter provides the mass and gravity needed to keep the cluster together.

The orbital speed of the galaxies in the cluster is slow enough to keep the cluster intact.
The orbital speed of the galaxies in the cluster is slow enough to keep the cluster intact.

Baryonic matter provides the mass and gravity needed to keep the cluster together.
Baryonic matter provides the mass and gravity needed to keep the cluster together.

The orbital speed of the galaxies in the cluster is fast enough to keep the cluster intact.

The correct response is:

Dark matter provides the mass and gravity needed to keep the cluster together.

Semester A Review Practice

13 of 3313 of 33 Items
Question
Which statement describes a planet as it moves along its orbit?(1 point)
Responses

It travels fastest and experiences a stronger gravitational pull when it is farthest from the sun.
It travels fastest and experiences a stronger gravitational pull when it is farthest from the sun.

It travels fastest and experiences a stronger gravitational pull when it is closest to the sun.
It travels fastest and experiences a stronger gravitational pull when it is closest to the sun.

It travels slowest but experiences a stronger gravitational pull when it is farthest from the sun.
It travels slowest but experiences a stronger gravitational pull when it is farthest from the sun.

It travels slowest but experiences a stronger gravitational pull when it is closest to the sun.
It travels slowest but experiences a stronger gravitational pull when it is closest to the sun.

The correct response is:

It travels fastest and experiences a stronger gravitational pull when it is closest to the sun.