SCIENCE 1

Which of the following objects move in a linear motion?

• A. top

• B. escalator

• C. merry-go-round

Which of the following objects move in a circular motion?

• A. swing

• B. seesaw

• C. carousel

It is the solid part of earth.

• water

• land

• air

Which of the following is an artificial source of electricity?

• moon

• batteries

• fire

It is an invisible force that pulls everything downward to earth.

• wind

• electricity

• gravity

It is produced by the movement called vibration.

• sound

• light

• heat

It is the kind of force that make electrical objects move or operate.

• electricity

• magnet

• water

It can be felt but cannot be seen.

• water

• land

• air

It is smaller and shallower than a lake. Can be natural or man-made.

• pond

• river

• sea

It is the main source of light and heat on earth.

• moon

• sun

• lightning