When light falls on a dark surface_____
the light is refracted
light passes through it.
the surface absorbs the light
.............. panting to lower her body temperature.
Bats
Lions
Foxes
Animals can communicate with each other by... ......
the Sound
reading.
Writing.
Surface that regularly reflects light ...............
rough and dark
dark with impurities
smooth and shiny
_____Your sensation of hot weather depends on sensory receptors in the
nose
eare
skin
The light-reflecting materials like_______
plastic
mirrors
paper
To communicate through the sense of sight we need ............ ;
availability of light
hearing music
making sound
Which of the following allows pass the light through it?
wood
glass
moon
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 circulatory system
the digestive system
the nervous system
Eagle is bird of prey (who eats meat). Its beak is strong and sharp. This structural adaptation helps it to .....................
escape.
find a shelter
ripping meat
What feature of light helps you see yourself in the mirror?
reflection
short rays
refraction
The organ responsible for the sense of sight____
the eye
the ear
the nose
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?
carton
transparent plastic.
Wood
Our eyes help us see what's around us. What is the organ responsible for perceiving what we see with our eyes? ...........
The esophagus.
The brain
The stomach
One of the behavioral adaptations that help the animal protect itself from enemies __
blend in
reproduction
extinction
When you determine a sweet or bitter taste, you have used___
the tongue
Adaptations include changes that ...............in the environment.
improve species survival
reduce life span for individuals
reduce reproduction process
Stomach is a part of the digestive system that ..........
converts solid food into liquid
absorbs nutrients from food
delivers food into the esophagus.
What is adaptation?
A process of getting rid of harmful substances in living things.
Feature owned by living things to help them survive.
The process by which new species appear.
Animals that live in a hot environment have ........................ ears to help her, and allow heat to escape to be cool.
long
short
small
Animals can communicate with each other through____
talk
writing
sounds and lights
What happens to living things that can't adapt to the conditions of its environment
they can't stay in the environment
they can survive in the environment
keep their number constant
Which of these examples of hid or a camouflage?
Camel hump
the fox is golden like its environment.
Camel broad feet
Humpback whales use singing for...............
having fun with whales
hide from enemies
communication
Raise the thumb up or lower it down a kind of ___
waves
colors
codes
Each of the following is considered a source of light except .........
the sun
the lamp
All of the following are components of the nervous system except____
brain
heart
nerves
The ability to turn the head in all directions ,....................
owl
dolphins
Snakes
Fish extracts oxygen out of the water by ...................
gills
fins