1) You wanted to build a jump of your toy car. Your friend suggested using sand. If you were this child, what would you do to these materials such as a notebook, and an empty box of soap to make your toy car jump? a) I’ll hold my toy car and tossed to make it jump.. b) I’ll put the sand inside the box to make the toy car jump. c) C. I’ll make an inclined plane out of materials such as a notebook and an empty box. d) D. I’ll put the sand on the top of the notebook as what my friend told me to do. 2) What should you do to reduce the amount of effort needed to lift something using a first-class lever? Move the fulcrum __________. a) closer to the load. b) closer to the effort.pusa sa ilalim ng mesa c) to the middle of the lever. d) closer to the middle of the lever. 3) If you are to design a lever machine, where would you position the fulcrum so that it will help move the load with less force? a) Closer to the load b) . Place it anywhere c) Very close to the effort d) Between the load and the effort 4) Which could help a person in a wheelchair get from the street onto the sidewalk? a) A. Lever b) B. Inclined Plane c) C. Wedge d) D. wheel and axel 5) In your art class, your teacher instructs you to cut colored papers into four equal parts. Which among the following will best use to cut the papers? a) A. axe b) B. hammer c) C. pair of scissors d) D. screw driver 6) . Jonas needs to split a log. What simple machine would help him? a) A Fulcrum b) Lever c) Pulley d) Wedge 7) What simple machine helps people do their work easier and faster like lifting heavy object? a) cup b) broom c) pulley d) spoon 8) Which type of simple machine has bars that turn or pivot on a fixed point? a) inclined plane b) lever c) screw d) wheel and axle 9) Which type of simple machine consists of a rope that passes over a grooved wheel? a) incline plane b) lever c) pulley d) wedge 10) Gemma is trying to open the doorknob. Which type of simple machine is a doorknob? a) inclined plane b) lever c) pulley d) wheel and axle 11) Errol wants to hang the picture frame on the wall. Which simple machine will Errol use? a) lever b) incline plane c) pulley d) screw 12) Eva helps her mother to slice the vegetables using a knife. A knife is an example of a ____________. a) lever b) pulley c) screw d) wedge 13) Allan uses the ramp to help his sick friend in a wheelchair move up the building. A ramp is an example of a/an ____________. a) inclined plane b) pulley c) screw d) wheel and axle 14) To close a bottle of jam, Trixie uses a lid cover. What kind of simple machine is the lid cover? a) lever b) pulley c) screw d) wedge 15) We use an electric kettle in boiling water. Which energy transformation takes place when you use an electric kettle? a) light energy ➔ heat energy b) sound energy ➔ light energy c) electrical energy ➔ heat energy d) heat energy ➔ electrical energy 16) When we turn on the television, electrical energy changes into light and ____. a) Sound b) Heat and Sound c) Heat and Light d) Heat and Chemical 17) Which of the following shows that electrical energy is changed to light energy? a) hot iron b) switching on the radio c) lighted fluorescent bulb d) a boy running after drinking water 18) What is always produced when there is energy transformation? a) chemical b) electric c) heat d) light 19) Which energy transformation occurs in a flat iron? a) electrical energy to heat energy b) mechanical energy to light energy c) chemical energy to sound energy d) chemical energy to electrical energy 20) When we talk on cellular phones, the speaker of the phone on the other end changes the electrical energy/ electromagnetic waves back into_____. a) heat b) light c) sount d) electrical 21) In using doorbells and buzzers, electrical energy is transformed to _____, a) electrical b) heat c) light d) sound 22) What process of heat energy transfer occurs when you clean your room using a vacuum cleaner? a) sound energy ➔ light energy ➔ heat energy b) heat energy➔ chemical energy ➔ light energy c) electrical energy ➔ sound energy ➔ heat energy d) chemical energy ➔light energy➔ sound energy 23) Which of the following examples shows how electrical energy is transformed to sound energy? a) Plug in the speaker to the outlet and turn it on. b) Plug in the oven to the electrical outlet and turn it on c) Plug in the wall fan to the electrical outlet and turn it on. d) Plug in the ring light to the electrical outlet and turn it on. 24) You are going to investigate energy transformations from electrical to light and heat energy. Which of the following would you demonstrate? a) Rub hands together b) Wire a toy motor to a battery c) Use a microphone in speaking d) Plug a lamp into a wall socket 25) Why can’t a ball roll continuously on a rough surface? a) The rough surface is not made for balls to roll. b) The force that enables the ball to move is released. c) The rough texture of the surface blocks the movement of the ball. d) The rough texture of the surface permits the movement of the ball.

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