20 questions
If the blood vessels are arranged from largest to smallest, which order is correct?
veins, capillaries, arteries
arteries, veins, capillaries
arteries,capillaries, veins
capillaries, veins, arteries
The left side of the heart pumps blood that contains oxygen.
TRUE
FALSE
When we _______the diaphragm muscle ontracts and moves downward.
breathe in
breathe out
Which of the following groups is NOT a good conductor of electricity?
tweezer, balloon, ten dirham bill
clip, tweezer, aluminium foil
Paper clip, screw, spoon
Are good conductors of heat not a good conductor for electricity?
TRUE
FALSE
Which organism do the owl and the weasel compete for in the food web?
GRASHOPPER
SPIDER
SHREW
HAWK
Which pair is correct?
C-Lungs
E-Trachea
D-Bronchi
B-Nose
What happens to the energy in the food chain or food web as it moves up trophic level?
The energy will become less and more
The energy will become more and more
The energy will become less and less
What would happen to the body of the dead animals after sometime?
It will stay the same.
It will grow and produce food.
It will transfer energy to another animals.
It will decompose.
Which is NOT an example of metamorphic rock?
Basalt
Gneiss
Marble
Slate
This kind of rock is formed under the sea.
Metamorphic
Sedimentary
Igneous
Food chain consists of series of food webs in the ecosystem.
TRUE
FALSE
These are bacteria and fungi that help in breaking down dead animals.
Producers
Consumers
Herbivores
Decomposers
These are materials or substances that allow heat or electricity to flow.
Conductor
Insulator
All materials are good conductor of electricity EXCEPT one.
copper
iron
rubber
tweezers
Handle of cooking pans are made of rubber or plastic. Which explains this statement?
Because rubber and plastic are good conductors.
Because they are thick and allow heat to transfer.
Because they are insulators.
Both A and B
Look at the diagram. What do you call the small pieces of rocks that are broken down due to weathering and erosion and will eventually become sedimentary rock?
magma
lava
sediments
cements
When magma cools down inside the Earth, an extrusive igneous rock forms.
FALSE
TRUE
When granite is exposed to heat and pressure, it changes into which metamorphic rock?
Marble
Gneiss
Slate
Fossils are mostly formed in igneous rocks.
TRUE
FALSE