Let’s Try (Evaluation)
I. Choose the letter of the correct answer. Write your answers on a separate sheet
of paper.
1. Which of the following statements is correct about the tilt of the earth relative to the
length of the day?
a. When the north pole is tilted towards the sun, the south pole has 24- hour daytime.
b. When the north pole is tilted towards the sun, the north pole has 24-hour daytime.
c. When the north pole is tilted towards the sun, the north pole has 24- hour nighttime.
d. The tilt of the earth does not affect the length of the day.
The Earth has a point in which it is closest to the sun and it is called (6)_________,
while the point where it is farthest from the sun is called (7)_________.
The length of the day and night depends on the (8)________ of the earth. The
amount of the energy received from the sun is concentrated at (9)________ angle and
distributed at (10)_______ angle.

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2. What is the shape of the Earth’s orbit around the sun?
a. circular c. rectangular
b. elliptical d. spherical
3. What makes the earth and other planets in the solar system maintain their orbit
around the sun?
a. Tidal force between the sun and the planets.
b. Magnetic force between the sun and the planets.
c. Gravitational force between the sun and the planets.
d. Electrostatic force between the sun and the planets.
4. What causes day and night?
a. Rotation b. Revolution c. The tilt of the earth d. Gravity
5. How does the tilt of the earth affect the amount of solar energy the earth receives?
a) Places tilting toward the sun receive more solar energy and experience colder
temperatures.
b) Places tilting away from the sun receive less solar energy and experience
warmer temperatures.
c) Places tilting toward the sun receive more solar energy and experience warmer
temperatures.
d) The tilt of the earth does not affect the amount of solar energy the earth’s surface
receives.
6. How long does it take for the earth to go around the sun?
a) 24 hours b. 365 days c. 1 day d. 365 1⁄4 days
7. How many years does it take a leap year to occur?
a. 4 years b. 3 years c. 2 years d. 1 year
8. Why does the length of daytime and nighttime differ in other places around the
world?
a) Because of the rotation of the earth c. Because of the tilt of the earth
b) Because of the revolution of the earth d. Because of the orbit of the earth
9. At what angle would the earth receive more heat energy relative to the position of the
sun in the sky?
a) At higher angle c. At an inclined angle
b) At lower angle d. At an oblique angle
10. How long does it take for the earth to rotate along its axis once?
a) 27 1/3 days b. 24 hours c. 30 days d. 365 days