4th Grade Science Vocabulary Study Guide

What is the term for when light bounces off a surface? Example: A mirror reflects your face.

• Reflect

• Absorb

• Transmit

• Refract

What is the ability to see called?

• Vision

• Hearing

• Taste

• Smell

What is the body part that lets us see?

• Eye

• Ear

• Nose

• Mouth

What is the clear, curved front part of the eye that helps focus light?

• Cornea

• Retina

• Lens

• Iris

What is the clear part of the eye that bends light to help us see?

• Lens

• Retina

• Iris

• Cornea

What is the colored part of the eye that controls how much light enters?

• Iris

• Cornea

• Retina

• Pupil

What is the black circle in the middle of the iris that lets light in?

• Pupil

• Cornea

• Retina

• Lens

What is the layer at the back of the eye that receives light and sends messages to the brain?

• Retina

• Cornea

• Lens

• Iris

What is the control center of the body?

• Brain

• Liver

• Heart

• Lungs

What are thin pathways that carry messages through the body called?

• Nerves

• Veins

• Bones

• Muscles