Apex International School
WORK SHEET
CHAPTERS: 12 Class: 7(seven) Date:____________________ Subject: Science
Note: Solve this worksheet by lead pencil.
Choose the correct answer.
1. What causes the change in seasons on Earth?
a) Changes in the Moon's orbit b) Tilt of the Earth's axis
c) Movement of the Sun closer and farther from Earth d) Shifts in the Earth's magnetic field
2. Day and night on Earth are primarily caused by:
a) Earth's rotation on its axis b) Earth's revolution around the Sun
c) Changes in atmospheric pressure d) Gravitational pull from the Moon
3. How long does it take for the Earth to complete one full rotation on its axis?
a) 24 hours b) 7 days c) 1 month d) 365 days
4. The angle of Earth's tilt concerning its orbit around the Sun is approximately:
a) 23.5 degrees b) 90 degrees c) 180 degrees d) 45 degrees
5. What causes the different phases of the Moon?
a) Changes in the Moon's temperature
b) Earth casting a shadow on the Moon
c) Variations in the Moon's distance from Earth
d) Sunlight reflecting off different portions of the Moon
6. During which season does the Northern Hemisphere experience the longest daylight hours?
a) Summar b) Winter c) Spring d) Autumn
7. What is the term for the point at which the Sun is farthest from the equator?
a) Tropic of Cancer b) Equator c) Tropic of Capricorn d) Prime Meridian
8. What is the name given to the imaginary line passing through the North and South Poles around
which Earth rotates?
a) Equator b) Meridian c) Latitude d) Axis
9. Which planet's rotation is so slow that a day is longer than its year?
a) Mars b) Mercury c) Venus d) Jupiter
10. The cycle of the Moon's phases from new moon to full moon and back to new moon is called the:
a) Lunar eclipse b) Solar eclipse c) Lunar cycle d) Solar cycle
Fill in the Blanks
1. During winter, the hemisphere tilted away from the Sun experiences __________ temperatures.
2. The imaginary line passing through the North and South Poles around which Earth rotates is called
the __________.
3. A year is divided into __________ months.
4. The movement of the Earth around the Sun is called __________.
5. The Moon completes one full orbit around the Earth in approximately __________ days.
Make true and false.
1. The tilt of the Earth's axis is responsible for the change in seasons. (True/False)
2. Day and night occur due to the rotation of the Moon. (True/False)
3. A leap year has 366 days. (True/False)
4. The Moon always shows the same face to the Earth. (True/False)
5. The phase of the Moon during a solar eclipse is a full moon. (True/False)
