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Worksheet 1.1.a

The document is a science worksheet that asks students to answer multiple choice questions about the conditions required for life on Earth. The questions cover topics like what makes Earth habitable compared to other planets, how Earth's distance from the Sun allows for liquid water, and the key factors that enable Earth to support life like its atmosphere, oceans, and presence of water in different states. The overall goal is for students to understand what physical characteristics of Earth allow it to sustain life.

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Mahay Haidr
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133 views3 pages

Worksheet 1.1.a

The document is a science worksheet that asks students to answer multiple choice questions about the conditions required for life on Earth. The questions cover topics like what makes Earth habitable compared to other planets, how Earth's distance from the Sun allows for liquid water, and the key factors that enable Earth to support life like its atmosphere, oceans, and presence of water in different states. The overall goal is for students to understand what physical characteristics of Earth allow it to sustain life.

Uploaded by

Mahay Haidr
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Term: 2 Science: Class 3

The City School


Worksheet Number: Science 1.1.a

Topic: Kinds of Habitat

Name: ___________________ Class: ___________

By attempting this worksheet, learners will be able to:


 Recognize that heat and light of the Sun helps to sustain life on Earth which is the only known
planet where life exists

Q1: Encircle the best option:


i: Which fact BEST explains why there is life on Earth but not on the Moon?
a: The Moon has no gravity.
b: The Moon does not go around the Sun.
c: The Moon has little water and oxygen.
d: The Moon is much smaller than Earth.
ii: Which properties are MOST important to sustaining life on Earth?
a: Time of rotation 24 hours and time of revolution about 365 days
b: time of revolution about 365 days and distance from the Sun 149,600,000 km
c: Distance from the Sun 149,600,000 km and surface structure rock and water
d: Surface structure rock and water and Orbit shape ellipse
iii: In which characteristic does Earth differ from the other planets?
a: It has liquid water.
b: It is dense and small.
c: It is made up of rocky material.
d: It is surrounded by atmosphere.
iv: All of the planets in the solar system formed at about the same time from a large cloud of gas
and dust. How is Earth different from other planets in the solar system?
a: Earth has no natural satellites.
b: Earth’s atmosphere is composed of gases.
c: Water is found in all three phases on Earth.
d: Volcanoes release liquid rock onto Earth’s surface.
Term: 2 Science: Class 3

v: Organisms can live on Earth because of Earth’s location in the solar system. How does Earth’s
distance from the Sun MOST affect Earth’s water and enable life to exist?
a: It permits liquid water.
b: It allows water to freeze.
c: It changes water’s specific gravity.
d: It allows water to be salty or fresh.
vi: Garden plants on Earth require four resources to stay alive: soil, air, water, and sunlight. How
many of these resources are necessary for life to exist on another planet or the Moon?
a: 4
b: 3
c: 2
d: 1
vii: Which of these conditions is MOST responsible for Earth having an environment that supports
life?
a: oceans regulating climate on land
b: the percentage of nitrogen in the atmosphere
c: water that exists in all three physical states of matter
d: erupting volcanoes moderating atmospheric temperatures
viii: Of the planets in the solar system, which characteristic is unique to planet Earth?
a: orbited by a moon
b: has a gravitational field
c: revolves around the Sun
d: covered mostly by water
ix: If the Sun were larger, what would MOST likely also have to be true for Earth to sustain life?
a: Earth would have to be further from the Sun.
b: Earth would have to be closer to the Sun.
c: Earth would have to be smaller.
d: Earth would have to be larger.
Term: 2 Science: Class 3

x: The physical characteristics of the Sun and Earth are


a: The Earth and Sun have an atmosphere and the Sun has a hot gas surface.
b: The Earth and Sun have an atmosphere and the Sun has a rocky surface
c: Earth has an atmosphere and rocky surface, but the Sun does not have an atmosphere.
d: Earth has an atmosphere and a hot gas surface.

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