Structure and Function
The ___________ system provides protection for our vital organs.
a) Respiratory
b) Circulatory
c) Skeletal
d) Digestive
c) Skeletal
All of the following are elements of weather except:
a) humidity
b) temperature
c) rainfall
d) sunrise
d) sunrise
Which of the following is the best material for making a switch in a simple circuit?
a) plastic
b) paper
c) cloth
d) foil
a) plastic
Both reptiles and fish are covered with __________.
a) feathers
b) hair
c) scales
d) skin
c) scales
a) mercury
b) earth
c) neptune
d) pluto
c) neptune
What is the largest artery in the body?
a) veins
b) capillaries
c) alveolus
d) aorta
d) aorta
When hot air rises and cool air moves to replace it, this causes _______________.
a) rain
b) temperature
c) heat
d) wind
a) rain
A student places a magnet next to a metal fork and records what happens. Next, he places the same magnet next to a plastic fork and records what happens.
Which question is the student most likely exploring with this investigation?
a) How do different materials react to magnets?
b) Do items other than magnets have magnetic power?
c) What causes magnets to be attracted to metal objects?
d) Does the size of the magnet affect its magnetic power?
a) How do different materials react to magnets?
Which of the following does not breathe through lungs?
a) horses
b) dogs
c) doves
d) crabs
d) crabs
How long does it take for earth to rotate on its axis seven times?
a) one day
b) one week
c) one month
d) one year
b) one week
How many bones has the adult human body?
a) 206
b) 400
c) 265
d) 120
a) 206
Name the stages of the water cycle as they come
a) evaporation, condensation, precipitation, collection
b) precipitation, condensation, evaporation, collection
c) collection, precipitation, condensation, evaporation
d) evaporation, collection, condensation, precipitation
a) evaporation, condensation, precipitation, collection
Shafts in the windmill aid in converting mechanical energy to ______________.
a) chemical energy
b) solar energy
c) electrical energy
d) thermal energy
c) electrical energy
How is a fish different from a jellyfish?
a) a fish can reproduce
b) a fish is an animal
c) a fish lives in water
d) a fish has a backbone
d) a fish has a backbone
The moon produces no light, and yet it shines at night. Why is this?
a) the moon reflects the light from the sun
b) the moon rotates at a very high speed
c) the moon is covered with a thin layer of ice
d) the moon has many craters
a) the moon reflects the light from the sun
What is the loss of water vapour through the stomata called?
a) translocation
b) transpiration
c) osmosis
d) diffusion
b) transpiration
Which statement below describes "humidity"?
a) the degree of heat in the air
b) the amount of moisture in the air
c) the speed at which the air moves
d) the direction in which the air moves
b) the amount of moisture in the air
Which energy transformation occurs when a person hits a drum with a drumstick?
a) electrical to light
b) sound to electrical
c) light to mechanical
d) mechanical to sound
d) mechanical to sound
John's teacher has given him a research project on an animal. It has wings covered with hair and feeds its young on milk. This animal is most likely to be a ______________.
a) bat
b) humming bird
c) flying fish
d) dove
a) bat
A student holds a model of earth that can rotate on a stick. Another student shines a flashlight on the model as it turns. This model is MOST likely used to show ___________.
a) seasons changing
b) high and low tides
c) day and night
d) phases of the moon
c) day and night
What connects skeletal muscles to the bone?
a) Tendons
b) Ligaments
c) Joints
d) Blood vessels
a) tendons
Which of the following is not a cause of the seasons on Earth?
a) the inclination of the Earth's axis
b) the revolution of the earth around the sun
c) the rotation of the earth around its axis
Which among the following is not a renewable source of energy?
a) Solar energy
b) Biomass energy
c) Hydro-power
d) Geothermal energy
b) biomass energy
Study the food chain below.
lettuce ----> caterpillar ----> bird ----> horse
If the secondary consumer in the food chain becomes extinct, what is most likely to be negatively affected?
a) lettuce
b) caterpillar
c) horse
d) bird
c) horse
Which of the following statements are true about the planets' orbits around the sun?
a) Mercury takes less time to orbit the sun because it is the smallest planet
b) Mercury has the shortest year because the sun's gravity pulls the planet with more force, hence making the orbit shorter.
c) Earth takes less time to orbit the sun because it is the fastest planet
d) If everyone on earth runs at the same time, the planets journey around the sun becomes shorter
b) Mercury has the shortest year because the sun's gravity pulls the planet with more force, hence making the orbit shorter.