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EARTH AND LIFE SCIENCE

Total questions: 30

Worksheet time: 18mins

Name
Class
Date
1.

consists of the Sun and everything that orbits, or travels around, the Sun. This includes the eight planets and their moons, dwarf planets, and countless asteroids, comets, and other small, icy objects.

a)

Solar System

b)

Universe

c)

Origin of the universe

2.

What are the 9 planets?

4 lines
3.

Is the first planet from the Sun and the smallest in the Solar System.

a)

Earth

b)

Mars

c)

Mercury

d)

Saturn

4.

Is the second planet from the Sun. It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth.

a)

Saturn

b)

Mars

c)

Venus

d)

Mercury

5.

Is the third planet from the Sun and the only astronomical object known to harbor life.

a)

Venus

b)

Earth

c)

Uranus

d)

Pluto

6.

Is the fourth planet from the Sun. It is also called "the Red Planet".

a)

Earth

b)

Mars

c)

Venus

d)

Mercury

7.

Is the fifth planet from the Sun and the largest in the Solar System.

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Earth

8.

Is the sixth planet from the Sun and the second largest in the Solar System, after Jupiter.

a)

Jupiter

b)

Mercury

c)

Uranus

d)

Saturn

9.

Is the seventh planet from the Sun. It is a gaseous cyan-coloured ice giant.

a)

Uranus

b)

Venus

c)

Pluto

d)

Mars

10.

Neptune is the eighth and farthest known planet from the Sun.

a)

Earth

b)

Neptune

c)

Saturn

d)

Pluto

11.

Solar system is located in which galaxy?

a)

Whirlpool

b)

Andromeda

c)

Milky way

d)

Black hole

12.

Idea that the universe began as just a single point then expanded. and stretched to grow as large as it is right now.

a)

Steady state theory

b)

Flat Earth theory

c)

Eternal inflation theory

d)

Big bang theory

13.

Idea that a spinning cloud of dust made of mostly light. elements called a "nebula", flattened into a protoplanetary disk and became a solar system.

a)

Protoplanet Hypothesis

b)

Nebular Hypothesis

c)

Galactocentricity theory

14.

Whirling cloud of gas or dust that becomes a planet by condensation during pormation of a solar system.

a)

Nebular hypothesis

b)

Kant-Laplace Nebular theory

c)

Protoplanet Hypothesis

15.

The solar system formed from a giant cloud of gas and dust about 4. lo billion you ago this cloud collapsed under its own gravity, spinning Faster and Flattening into a disk. The sun pormed at the center, and the remaining materials clumped together to pamed the planets.

a)

Kent-Laplace Nebular Theory

b)

Solar Nebular Theory

c)

Nebular Hypothesis

16.

Is the third and coldest layer of Earth's atmosphere.

a)

Thermosphere

b)

Exosphere

c)

Troposphere

d)

Mesosphere

17.

It is characterized by high temperature and large variability, in response to changes in solar ultraviolet radiation and solar-driven geomagnetic activity.

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Exosphere

18.

The lowest layer of Earth's atmosphere.

a)

Exosphere

b)

Thermosphere

c)

Troposphere

d)

Mesosphere

19.

the planet's first line of protection against the sun's rays.

a)

Mesosphere

b)

Exosphere

c)

Troposphere

d)

Thermosphere

20.

an internal geomorphic process.

a)

Endogenic Process

b)

Exogenic Process

21.

is the geologic theory that the igneous rocks forming the Earth originated from intrusive magmatic activity, with a continuing gradual process of weathering and erosion wearing away rocks.

a)

Volcanism

b)

Magmatism

c)

Plutonism

22.

is the eruption of molten rock onto the surface of a planet.

a)

Magmatism

b)

Volcanism

c)

Plutonism

23.

is the deposition of sediments. It takes place when particles in suspension settle out of the fluid in which they are entrained and come to rest against a barrier.

a)

Erosion

b)

Sedimentation

c)

Transportation

24.

is the process where rocks are broken down by natural forces such as wind or water.

a)

Erosion

b)

Sedimentation

c)

Transportation

25.

geological phenomena and processes that originate externally to the Earth's surface.

a)

Endogenic Process

b)

Exogenic Process

26.

also known as mass movement, is a general term for the movement of rock or soil down slopes under the force of gravity.

a)

Transportation

b)

Erosion

c)

Mass Wasting

d)

Weathering

27.

is the deterioration of rocks, soils and minerals through contact with water, atmospheric gases, sunlight, and biological organisms.

a)

Erosion

b)

Weathering

c)

Transportation

d)

Mass Wasting

28.

It refers to the process of taking the rock fragments from one place to another by any of the above mentioned agents. As such transportation is a sub segment of the whole process of erosion.

a)

Transportation

b)

Weathering

c)

Erosion

d)

Mass Wasting

29.

The following are the Types of Chemical Weathering except one

a)

Oxidation

b)

Hydrolysis

c)

Solution - Carbonation

d)

Carbonation + Solution

e)

Biological Action

30.

The following are the Examples of Physical Weathering except one

a)

Prost Wedging or Frost Weathering

b)

Rusting of iron

c)

Insolation Weathering

d)

Unloading or pressure