The Universe Worksheet-2

The Universe Worksheet-2

 

  1. What is a Light Year?

A. A unit of brightness

B. A unit of time that is equal to the time it takes for light to travel in one year

C. A unit of length that is equal to the distance travelled by light in one year

D. A unit of length that is equal to the distance travelled by sound in one year

 

  1. What does a Radio Telescope do?

A. Collect light and then to have the image magnified

B. Detects radio waves coming from space objects

C. Detects shock waves coming from space objects

D. Collect cosmic radiation from space objects

 

  1. How many planets are there in our solar system? Hint: Pluto is not a planet anymore.

A. 7                      B. 8                     C. 9                      D. 10

 

  1. Which of the following is not an outer planet?

A. Uranus          B. Neptune        C. Jupiter           D. Earth

 

  1. What are two main difference between inner and outer planets?

A. 1. Outer planets are larger 2. Outer planets are made of gases and inner planets are solid

B. 1. Inner planets are larger 2. Outer planets are made of gases and inner planets are solid

C. 1. Outer planets are larger 2. Inner planets are made of gases and outer planets are solid

D. 1. Inner planets are larger 2. Inner planets are made of gases and outer planets are solid

 

  1. Which planet is tilted almost 90 degrees on its axis?

A. Mars              B. Uranus          C. Saturn           D. Neptune

 

  1. What causes day and night on the Earth?

A. Earth's revolution around the Sun

B. Earth's rotation on its axis

C. Moon's revolution around the Earth

D. Moon's rotation on its axis

 

  1. What is the effect of Earth being tilted on its axis?

A. It causes rain and monsoon

B. It causes day and night

C. It causes seasons to change

D. It causes glacier to melt

 

  1. You can jump much higher on the Moon compared to the Earth. Why?

A. Because, Moon has craters  

B. Because, Moon has dense atmosphere

C. Because, Moon’s gravitational force is one sixth of the Earth's  gravitational force

D. Because, Moon gravitational force is six times the Earth's gravitational force

 

  1. What is the impact of the Moon’s gravitational force on the Earth?

A. It causes high and low tides in the oceans

B. It causes clouds to rise high

C. It destroys the Earth's gravity

D. It makes Earth spin faster

 

Answer Key:

1.-(c); 2.-(b); 3.-(b); 4.-(d); 5.-(a); 6.-(b); 7.-(b); 8.-(c); 9.-(c); 10.-(a)