Basic Science and Technology

Sound energy is a form of energy we can________.

• See

• hear

• see and hear

An act of moving object forward away from yourself is called ________.

• friction

• pull

• push

Which of these objects is transparent?

• 
• 
• 

The following are the effects of forces on an object except_______.

• It changes the shape of objects.

• It makes objects to speed up.

• It does not make object to slow down.

The following are sources of bright light except_______.

• Sun

• Candle

• Flood light

Potential energy is energy _______.

• at rest

• in motion

• at pull

An example of kinetic energy is____.

• a parked car

• a moving fan

• a boy sitting in one position.

Sun, glowworm, fire flies, lava are _______.

Some objects let light pass through and we can see through them clearly. They are called________.

• Translucent objects

• Opaque objects

• Transparent objects

Objects that block light are called ____.

• Transparent objects

• Opaque objects

• Translucent objects