Our Universe

Our Universe

21. Shadows are formed because:

(A) light is a form of energy

(B) light can be transmitted

(C) light travels in straight lines

(D) light can travel in space

22. An object casts a shadow when

(A) light passes through it.                 

(B) it absorbs light.

Our Universe

31. A torch shines onto a star-shaped card. A shadow is formed on the screen behind the card.

The torch is moved away from a card. What will happen to the shadow?

(A) It becomes smaller              

(B) It becomes larger

(C) It becomes smaller before it becomes large

(D) It changes in shape

Our Universe

11. Which of the following is NOT a light source?

(A) A Planet                                  (B) A star

(C) A burning candle                   (D) An aeroplane

12. The first man to set foot on the moon is:

(A) Neil Robertson                      (B) Neil Armstrong

Our Universe

1. An object that shines in the sky during the day is:

(A) cloud            (B) the Moon    (C) the Sun        (D) planet

2. Which of the following is NOT a source of light?

(A) Sun               (B) Rainbow     (C) Stars            (D)Fire