Which of the following is a sense organ?

• tongue

• hair

• bone

• foot

The sun is an example of which of the following?

• star

• comet

• planet

• galaxy

Skunks spray a strong-smelling liquid to _________.

• attract prey

• get rid of wastes

• defend themselves

• help nearby plants grow

It sends messages to the brain to tell us about the sounds we hear?

• Retina

• Optic nerve

• Olfactory nerve

• Auditory nerve

Nena is suffering from protein deficiency. Which of the following should she have in her diet?

• Rice

• Bean

• Carrot

• lettuce

Raissa will transfer the bowl of food to another place. Her action shows ______.

• Force

• Inertia

• Motion

• Pressure

It is where the white part of the eye becomes bloodshot or sore.

• Cataracts

• Glaucoma

• Strabismus

• Conjunctivitis

Which of the following have different texture?

• Hollow blocks

• Plastic cover

• Satin cloth

• Glass

Jake's cats eat food from a can. The cats come running into the kitchen when they hear the electric can opener. Now, each time Jake's mother opens a can of corn, the cats come running. This is an example of -

• learned behavior

• correct behavior

• migration

• instinct

Anna repeatedly taps the side of a drinking water with a spoon while being filled with water. What will happen to the pitch of the sound as water level goes up?

• becomes higher.

• becomes lower.

• remains unchanged

• alternately increases