Download 1) Name the following: a) The smallest and largest planets of the

INDIAN SCHOOL MUSCAT
DEPARTMENT OF SCIENCE
SUBJECT: SCIENCE
Revision Worksheet No: 4
TOPIC : Stars and the Solar System
STD : VIII
Coordinating Staff: Ms.Vidya Menon
Date of Issue:
Name of the student: __________________________
Class ___ Sec: _____
Roll No: ____
1) Name the following:
a) The smallest and largest planets of the solar system.
b) The galaxy to which we belong.
c) The only natural satellite of the earth.
d) The biggest star known to us present in Orion constellation.
e))The brightest object in the night sky after the moon, which rotates from east to
west.
f)The planets closest and farthest to the sun.
2) If we join the group of stars shown in the picture below, the resulting figure will
look like a hunter with a bow. To which constellation does this belong?
3) Why does the planet Mars look red? Name its two satellites.
4) What is the difference between a meteor and meteorite?
5) What is a Light year? Express the value of one Light year in kilometres.
6) Stars twinkle while planets do not. Give reason.
7) Why is mercury known as the morning star or evening star?
8) The Pole star appears almost stationary to us.Why?
9) Why do the phases of moon occur?
10) Give 2 uses of Artificial satellites.
11) Name the Dwarf Planets.
12) Identify the different phases of moon shown in the pictures below.
a.
b.
c.