What feature of light helps you see yourself in the mirror?
short rays
reflection
refraction
Fish extracts oxygen out of the water by ...................
fins
gills
skin
When light falls on a dark surface_____
the light is refracted
the surface absorbs the light
light passes through it.
One of the behavioral adaptations that help the animal protect itself from enemies __
reproduction
blend in
extinction
Animals that live in a hot environment have ........................ ears to help her, and allow heat to escape to be cool.
small
short
long
Animals can communicate with each other by... ......
Writing.
the Sound
reading.
Eagle is bird of prey (who eats meat). Its beak is strong and sharp. This structural adaptation helps it to .....................
escape.
ripping meat
find a shelter
Each of the following is considered a source of light except .........
the lamp
the sun
the eye
All of the following are components of the nervous system except____
brain
nerves
heart
Adaptations include changes that ...............in the environment.
improve species survival
reduce life span for individuals
reduce reproduction process
.............. panting to lower her body temperature.
Bats
Foxes
Lions
Raise the thumb up or lower it down a kind of ___
waves
codes
colors
_____Your sensation of hot weather depends on sensory receptors in the
eare
nose
To communicate through the sense of sight we need ............ ;
hearing music
making sound
availability of light
What is adaptation?
Feature owned by living things to help them survive.
The process by which new species appear.
A process of getting rid of harmful substances in living things.
The organ responsible for the sense of sight____
the ear
the nose
The ability to turn the head in all directions ,....................
owl
Snakes
dolphins
Animals can communicate with each other through____
sounds and lights
writing
talk
What happens to living things that can't adapt to the conditions of its environment
keep their number constant
they can survive in the environment
they can't stay in the environment
Which of these examples of hid or a camouflage?
Camel broad feet
the fox is golden like its environment.
Camel hump
The light-reflecting materials like_______
plastic
paper
mirrors
Our eyes help us see what's around us. What is the organ responsible for perceiving what we see with our eyes? ...........
The stomach
The brain
The esophagus.
When you put your hand on a hot surface, the brain sends a message to the muscles and the action that comes from you immediately after it is to...
You will do nothing
pull your hand away from a hot
Keep placing your hand
Sameh drives his bike and while that he hears a car behind him, he turns away so as not to hit it. The system that received a signal made Sameh realize that is .....
the nervous system
the digestive system
the circulatory system
When you determine a sweet or bitter taste, you have used___
the tongue
Humpback whales use singing for...............
communication
having fun with whales
hide from enemies
Adel wanted to make a suitable box through which he could see what was inside without having to open it. What material should be used?
Wood
carton
transparent plastic.
Stomach is a part of the digestive system that ..........
absorbs nutrients from food
delivers food into the esophagus.
converts solid food into liquid
Which of the following allows pass the light through it?
glass
moon
wood
Surface that regularly reflects light ...............
smooth and shiny
dark with impurities
rough and dark