Download Homework sheet 12 - Egyptian Language School

EGYPTIAN AMERICAN INTERNATIONAL SCHOOL
Elementary Science Department
SEMESTER 1 GRADE 6
Name:
Date:
Class:
Homework sheet 12.3
VOCABULARY REVIEW
Match each term in column B with its meaning in column A.
Column A
______1.
Huge balls of very hot, glowing gases in space that produce
Column B
A. astronomy
their own light and heat.
______2.
The study of objects in space and their properties.
B. galaxy
______3.
A group of billions of stars, objects that orbit those stars, gas,
C. stars
and dust.
______4.
Everything that exists, including galaxies and everything in
D. universe
them.
SCIENCE CONCEPTS
Fill in the letter of choice that best answers the question
1. There are several types of galaxies. How do scientists classify galaxies?
by size
by shape
by temperature
by number of stars
2. There are many different colors of stars. Which characteristic determines the color of a star?
temperature
size and shape
actual brightness
distance from Earth
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3. A galaxy is composed of billions of stars held together by gravity. The illustration below shows one
common type of galaxy.
What type of galaxy is shown in the illustration?
barred spiral
elliptical
spinning
spiral
4. The diagram below shows the Milky Way galaxy.
Which letter best shows the location of our solar system?
W
X
Y
Z
5. The sun is a medium-sized star, but it appears much larger than other stars. Why does the sun appear to
be so large?
The sun is hotter than other stars.
The sun produces more light than other stars.
The sun is much closer to Earth than other stars are.
The sun is affected by Earth’s gravity more than other stars are.
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