Summative Test in Science 6 No. 3 Quarter 3

I. Choose the letter of the correct answer.

1. What form of energy do plants give you when you eat them?

               a. heat                 b. light

               c. sound               d. electrical

2. Which of the following activities shows a change from electrical to sound energy?

               a. ironing clothes              b. lighting a candle

               c. roasting a chicken        d. turning on the radio

3. What form of energy is possessed by the ringing bell in the church tower?

               a. heat                 b. light

               c. sound               d. electrical

4. Henry throws a ball against a fence. What form of energy does the ball produce when it strikes the fence?

               a. heat                 b. light

               c. sound               d. electrical

5. What sequence of energy transformations takes place when you switch on a lamp?

               a. heat          electrical        light

               b. electrical           light            heat

               c. electrical            heat            light

               d. light           heat           electrical

6. What form of energy is present in a glowing charcoal?

               a. heat                 b. sound

               c. electrical         d. mechanical

7. Which of the following shows a change from light energy to heat energy?

               a. buzzing of bees            

b. boiling of water

               c. warming of beach sand

               d. answering a phone call

8. What energy transformation happens in a doorbell when pressed?

               a. from heat energy to light energy

               b. from light energy to heat energy

               c. from electrical energy to heat energy

               d. from electrical energy to sound energy

9. What energy transformation takes place when you play a game on your computer?

               a. from light energy to heat energy

               b. from electrical energy to light energy

               c. from heat energy to electrical energy

               d. from heat energy to mechanical energy

10. What form of energy can cause the soup in a pot to boil?

               a. heat                 b. light

               c. sound               d. electrical

11. Your kite flies up in the air and then when the wind stops blowing, it goes down why?

               a. The wind pulls the kite down to the ground.

               b. There is no air around so the kite goes down.

               c. The force of gravity flies the kite up and

moves it down.

d. Gravity pulls the kite down when the wind

stops blowing

 

 

 

 

 

 

 

 

12. If you throw a baseball up in the air at an angle, what will happen most likely?

               a. The ball will stop up in the air.

               b. The ball will fly up and go higher.

               c. The ball will go up and then fall down

               d. The ball will bounce back to your hand.

13. Dry leaves fall to the ground. Flying pieces of paper fall back on the grassy area. The dust in the air drops on the floor. What conclusion can you give from these observations?

a. Gravity causes the objects to fall on the ground.

b. Gravity pushes the objects up and pulls them down.

c. The force of gravity moves the objects to another place

d. The air blows harder to transfer the objects to another place.

14. The children are playing in the playground. Which movement in the playground is caused by the presence of gravity?

a. young boys slide from the top to the ground

b. two girls swing back and forth several times

c. small boys enjoy their ride in the merry-go-round

d. The children run back and forth on the clear pavement.

15. How much is the pull of gravity on an object that weighs 12 kg?

a. equal to 12 kg

b. higher by 12 kg

c. lower than 12 kg

d. higher than 12 kg

 

II. Identify the kind of friction shown in each situation. Write A if the situation shows static friction, B if sliding friction, and C if rolling friction.

______ 1. Books resting on the shelves

______ 2. Father pulling a baggage on the ramp

______ 3. An athlete biking from home to school

______ 4. Trucks speeding up on the road

______ 5. Mother using a pushcart to buy grocery items in the supermarket

______ 6. Your father pushing a cabinet near his bed

______ 7. A swimmer going down the slide in apool

______ 8. A man using a skateboard to move around the pavement

______ 9. Workers putting down the hollow blocks using a smallwooden board

______ 10. The pupils using their pens in writing on a piece of paper

 

III. Read each sentence carefully. Write True if the sentence tells a correct idea. Write False if it does not.

1. Hanging objects might fall because of gravity.

2. Friction is the force that draws an object toward the center of the earth.

3. Gravity is a noncontact force that works at a distance.

4. Gravity is a force that pulls objects upward.

5. Gravity determines your weight here on Earth.