Glass is a transparent material used in making eye glass
True
Flase
The food chain always starts with ...............
decomposers
producers
consumers
predators
The atmosphere is a mixture of many gases
False
............... is from nonliving part of ecosystem.
soil
grasshopper
plant
fungi
Iron rust and burning reactions are from ......... change
natural
chemical
physical
The plants make their own food by respiration
Form the food chain by using the following organisms:
a- small fish b- seabirds c-bacteria d- micro-organisms floating on the surface of the sea.
micro-organisms floating on the surface of the sea - small fish - seabirds - bacteria
micro-organisms floating on the surface of the sea - small fish - bacteria - seabirds
bacteria-micro-organisms floating on the surface of the sea - small fish - seabirds
We can measure the length of classroom by using ..............
balance
kilogram
measuring tape
From an example of matter that attract to magnet is .............
iron
cork
plastic
wood
The transport system of plant does the same function of circulatory system in human
The matter changes from one state to other by increasing or decreasing of temperature
false
........One example of decomposers is
seabirds
small fish
Phloem
When ice .........it will change from solid state to liquid one.
melts
boils
........... transports the glucose from the leaves to other parts of plants
bacteria and fungi
stems
Photosynthesis process takes place inside .............
leaves
roots
flowers
The particles are packed tightly with each other is .............
oxygend
water
Decomposers haven not a role in the ecosystem
Lion is from ...............
grass eaters
meat eaters
The measuring unit of mass is............
gram
liter
ml
cm
When a drought occurs in a lake, it causes........... in ecosystem
imbalance
model
The measuring unit of volume............
kg
cm3
Habitat loss is one of the main causes of extinction
The ........... get the energy from sunlight
The roof of desert home is similar to rainforest home