Structure of the Earth

• The Sun is at the centre of the solar system

• Name the Planets in solar system

• Planetary systems contain stars, planets, asteroids and comets

The Solar System

Multiple Choice

How many planets are there in the Solar System?

• 7

• 6

• 8

• 9

Multiple Choice

The position of axis is ....

• A

• B

• C

• D

Multiple Choice

The Earth orbit the Sun in ____ path.

• circular

• rectangle

• square

• slight ellipse

Multiple Choice

Time taken by the Earth to spin on its axis once is ....

• 24 hours

• 24 days

• 365 hours

• 365 days

Multiple Choice

The space objects which are small, rocky objects that move around the Sun are called...

• asteroids

• sun

• comets

• planets

Multiple Choice

The space objects as lumps of ice, dust, and rock that move around the Sun are called...

• asteroids

• sun

• comets

• planets

Multiple Select

Which of the following does the spinning of the Earth on its axis cause?

• A year

• The cycle of day and night

• The sun seems moving across the sky

• Season changes

Multiple Choice

Sunrise and sunset happen because of ____.

• the Earth rotation

• the Earth revolution

• the Sun rotation

• the Sun movement

Multiple Select

Anika makes a model of the solar system. She uses a ball as a model of the Sun. She uses an apple, an orange, some cherries, and grapes as the planets.

Which planet represented by grapes?

• Earth

• Jupiter

• Saturn

• Mercury

Multiple Choice

Many scientists have explored our solar system and stars. Claudius Ptolemy made a model of the solar system.

Now we know that this model is wrong. Based on the picture, the wrong theory is ____.

• the center of the solar system is the Earth

• the Earth orbit the Sun

• The sun is the center of solar system

• Venus is the furthest planet from the Sun

Multiple Choice

A scientist that invented a telescope is ____.

• Claudius Ptolemy

• Galileo Galilei

• Omar Khayyam

• Nicolaus Copernicus

Multiple Choice

Another Scientist proposed that the centre of the Solar System was not Earth, but the Sun. The scientist that corrects the theory from Claudius Ptolemy is ____.

Multiple Select

The correct statement are ...

• Earth is at the centre of the solar system.

• There are eight planets in the solar system.

• Asteroids and comets move around the Sun.

• Earth move around the Sun cause day and night.

Multiple Choice

A planet pathway around the sun is called an ___________.

• Rotation

• Orbit

• Revolution

• Phase

Multiple Choice

The Moon is not as bright as the Sun because ___________.

• it is a star

• it gives out only a little light

• it reflects light from the Sun

• the Moon is larger than the Sun

Multiple Choice

Which one is the correct sentence about moon?

• Moon is revolving around the sun together with the earth

• Moon has its own light

• The orbit of the moon is always changing

• Moon is a star

Multiple Choice

Which one is the correct sentence about moon?

• Moon is revolving around the sun together with the earth

• Moon has its own light

• The orbit of the moon is always changing

• Moon is a star

Fill in the Blanks

Multiple Choice

What planet is known as the red planet because of its red looking surface?

• Earth

• Saturn

• Uranus

• Mars

Multiple Choice

The Solar System is part of a galaxy called the
Milky Way.

• TRUE

• FALSE

Multiple Select

The Sun appears to move across the sky because....

• the Earth doing revolution

• the Earth orbits the Sun

• the Earth is spinning

• the Earth is rotating

Multiple Choice

One morning, Samir observes the shadow of a tree in the garden.

He notices that the shadow changes in length and position at noon.

His shadow changes in size and position are caused by the Earth's rotation on its axis.

• TRUE

• FALSE

Multiple Choice

Which diagram shows the shadow of the stick under the Sun around noon?

• A

• B

Multiple Choice

Trina observed her shadow under the Sun from 1 p.m. to 4 p.m.

 She recorded the lengths of her shadow on an hourly basis.

Which of the following best represents the lengths of her shadow?

Fill in the Blanks

STRUCTURE OF THE EARTH

Multiple Choice

The layer labelled by "X" is called ....

• crust

• mantle

• outer core

• inner core

Multiple Select

Which of following are correct?

• layer A is the place where we live in

• layer B is the inner core

• layer C is the outer core

• temperature of layer D is 1000-3700 degree celcius

Multiple Choice

Which of the following describe inner core?

• the thinnest among the four layers

• the layer that is made of melted metals such as iron and nickel

• the centre of the Earth

• the layer beneath the crust and contains magma

Fill in the Blanks

Multiple Choice

Part of volcano labelled by "S" is ....

• crust

• vent

• crater

• lava

Multiple Choice

a sudden and violent shaking of the ground can cause ....

• earthquake

• volcanic eruption

• Earth rotation

• day and night

Multiple Choice

Based on the data, on which day did people die caused by the earthquake?

• July 27, 1976

• January 23, 1556

• August 9, 1136

• May 22, 1927