science quiz bee grade 6

8/11/2019 Science Quiz Bee grade 6

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GRADE VI

Science Quiz


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EASY ROUND


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1. Some plants grow better if bone

meal ( ground-up bones) is spread

around their roots. What does bonemeal supply to the plants that makes

them grow better?A. energy

B. minerals

C. vitamins

D. water


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2. What is predicted as a result of

global warming?A. Rising sea and ocean levels.

B. More severe earthquakes.

C. Larger volcanic eruption.

D. Thinning of the ozone layer.


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3. Sensory messages are taken to

the brain by ____________.A. arteries and veins

B. arteries and hormones

C. nerve and hormones

D. muscles and veins


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4. Alexander Fleming noticed that bacteria

growing on a plate of agar did not grow next to

a mold that was growing on the same plate. Hewrote in his laboratory report The mold may

be producing a substance that kills bacteria.

This statement is best described as _________.A. an observation

B. a hypothesis

C. a generalizationD. a conclusion


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5. Most of the chemical released

when gasoline burns in a car engine isnot used to move the car, but it is

changed into:

A. heat

B. sound

C. magnetismD. electricity


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6. The picture shows the three layers ofthe Earth. Where is it hottest?

A. Layer A C. Layer C

B. Layer B D. All 3 layers are the

same tem .


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7. On a warm sunny day, you will feel

cooler wearing lightcolored clothes

because they_________.

A. Are not as heavy as dark clothes.B. reflect more radiation.

C. prevents sweating.

D. let more air in.


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8. When I visited one of the schools, I

noticed that the floor is very shiny. Whenaccidentally I slipped, how much force is

acting on the soles of my shoes and the

floor?

A. less friction

B. more frictionC. enough friction

D. abundant friction


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9. A spectroscope is another instrument

used by astronomers in their study of the

heavenly bodies. It diffuses light intodifferent wavelengths. Which color has

the longest wavelenght?

Write down your answer.


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10. What form of energy is released when

a Uranium atom is split?

A. Chemical energy

B. Mechanical energyC. Electrical energy

D. Nuclear energy


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AVERAGE ROUND


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1. The movie Twilight Zone has a

wolf - character portrayed by Taylor

Lutner. There are scenes, he, as a wolfplace his scent on trees. Wolves most

likely doing this in order to ________.

A. attract prey

B. attract female wolves.

C. mark their territory against otherwolves.

D. mark the location of their shelter

and food.


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2. Which BESTdescribes the move-

ment of the plates that make up Earths

surface over million of years?A. They have never moved.

B. They have been continually

moving.

C. They stayed the same millions of

years but are now moving.D. They moved for millions of years

but have now stopped.


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3.Chemical Energy ---- Heat Energy ---- Mechanical Energy

(with wasted heat)

The sequence of energy changes shown

in the diagram explains which event?A. A flashlight is on.

B. A candle burns.

C. Gasoline burns to power a car.

D. Electric current runs a refrigerator.


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4. Why do mountain climbers use

oxygen equipment at the top of the

worlds highest mountain?A. There is less oxygen in the air at

great heights.

B. There is little nitrogen in the air at

great heights.

C. There is a hole in the ozone layer.D. There is no air at the top of very

high mountains.


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5. Some orchids grow on branches of

trees where they can exposed to

sunlight. Orchids need sunlight to be

able to make their own food. The tree

is not affected at all. What kind ofrelationship is this?

Write down your answer..


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6. When you touch something hot, you move

your hand right away from the objects as

soon as you feel the hot sensation, why?A. The blood moves faster because of the

heat.

B. The messages travels fast because of theheat.

C. Messages to and from the brain travel fast

through the nerves.D. Messages travels through the muscles

wherein it contracts before sending to the

brain.


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7. A person in a dark room looking through awindow can clearly see a person outside in the

daylight. But a person outside cannot see theperson inside. Why does this happen?

A. Outside light does not pass through

windows.B. Light rays cannot pass through a window

twice.

C. Sunlight is not as intense as other sourceof light.

D. Light is not enough being reflected off

the person in the room.


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8. The table gives the temp. (0C ) at a certain placeat different times of the day for three days.

When did the wind become much colder?

A. Monday morning

B. Monday afternoonC. Tuesday morning

D. Tuesday afternoon

E. Wednesday afternoon

6 am 9 am 12 nn 3pm 6pm

Monday

Tuesday

Wednesday

150C

150C

80

C

170C

150C

100

C

200C

150C

140

C

210C

50C

140

C

190C

40C

130

C


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9. Sir Isaac Newton formulated Three Laws of

Motion to better understand force and motion.

When you do shopping at the supermarket ,you use a cart. You need more force to

accelerate a cart full of groceries. This is an

application of what Law of Motion?

f f


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10. You live in a world of world of

Electronics. Which electronic invention

has made possible the use of computers,electronic banking machines and even

satellites in space?

A. nuclear energyB. semiconductors

C. radioisotopesD. entropy


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DIFFICULT ROUND

1 An incomplete food web has been drawn for


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1.An incomplete food web has been drawn foryou. Complete it by filling in each of the empty

circles with the member of the correct animals or

plants from the list. Remember that the arrowsrepresent energy flow and go.

A. Caterpillar C. Hawk

B. Corn D. Snake

ACACIA

TREE

MOUSE

MAYA

SUN

??

?

?

2 d d l l


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2. Insecticides are used to control insect populationso that they do not destroy crops. Overtime some

insecticides become less effective at killing insects

and new insecticides must be developed.

What is most likely reason why insecticides become

less effective overtime?

A. Surviving insects have learned to includeinsecticides as a food source.

B. Surviving insects pass their resistance to

insecticides to their offspring.C. Insecticides build up in the soil.

D. Insecticides are concentrated at the bottom of

the food chain.


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3. . The graph shows the progress made by a cartravelling along a straight line. What is the speed

of the car?

A. 25 kms. / hour C. 75 kms / hour

B. 50 kms. / hour D. 100 kms. / hour

TIME ( MINUTES)

DISTANCE

(kms).

4 The diagram on the left shows a ball on the of a string being


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4. The diagram on the left shows a ball on the of a string being

whirled in a circle. The diagram on the right shows the whirling ball

as viewed from above.

5


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5. A girl has an idea that green plants need sand in the soilfor healthy growth. In order to test her idea she uses two pots

of plants. She sets up one pot of plants as shown below.

Which of the following should she use for the second pot of plants?A B C

ED

Sand, soil and water

Sand and water

Sand and water

Sand, soil and water

Sand and soil

Soil and water


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CLINCHER ROUND


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1. Why do you see lightning spark

first before you hear thunder during

a thunderstorm?

A. Light travels in the air.

B. Sound could be heard.C. Sound travels fastest in solids.

D. Light travels faster than sounds.


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2. When a physician puts a stethoscope toyour chest , two sounds are heard. What

sound represents the opening of the

valves and closing of the valves?

Ans.: lub-dub, lub-dub


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3. It is a blood disorder which is hereditary in

which blood clots very slowly affecting only

males but transmitted in genes of females.

Ans.: hemophilia


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4. Which concept is TRUE about the arrangement

of molecules of matter?

A. The molecules of liquids are arranged closerto one another.

B. The molecules of liquids are arranged

farther apart than solids.

C. The molecules of solids are arranged

farthest apart from one another.

D. The molecules of gases are arranged close

together than liquids.


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5.Observe the sky on a clear night. You

want to find out which of the stars are

young. Which of the following starsshould you look for?

A. red star C. bluish- white star

B. yellow star D. both A and B


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Ans.

science quiz bee grade 6

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