IDNStudy.com, ang komunidad ng pagbabahagi ng kaalaman. Sumali sa aming komunidad ng mga bihasa upang makahanap ng mga sagot na kailangan mo sa anumang paksa o problema.
1. Which energy transformation occurs in an electric iron?
A. heat to light
C. heat to electricity
B. light to heat
electricity to heat
2. Which of the following is NOT the use of sound energy?
A. Sound is used to map ocean floor. C. sound is used to generate electricity.
B. Sound helps track earthquake.
D sound is used to see internal organs.
3. Which of the following statements is true?
A Friction makes an object slide.
C. Force is needed to stop an object.
B. Gravity pushes object upward.
D. An object in motion will remain in motion.
4. Mother placed a thick curtain on the window during summer to minimize the entrance of heat. Which
type of heat transfer did she consider?
A. conduction
C. forced convection
radiation
D. natural convection
5. Which of the following objects can reduce friction?
A. alcohol
C. rocks
B. oil
D. salt
6. What kind of force does the ground exert against your feet?
A. gravity
C. mass
B. friction
D. contact
Ang iyong aktibong pakikilahok ay mahalaga sa amin. Magpatuloy sa pagtatanong at pagbahagi ng iyong nalalaman. Sama-sama tayong lumikha ng isang komunidad ng karunungan. Bawat tanong ay may sagot sa IDNStudy.com. Salamat sa pagpili sa amin at sa muling pagkikita.
