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SCIENCE CLUB '20-'21 FINAL ROUND

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Why are coal, petroleum, and natural gas included as non – renewable resources considering the fact that they are produced from plant and animal remains?

a)

It takes a very long time to produce them.

b)

The Philippines is dependent on supply from other countries.

c)

They are difficult to locate and explore from Earth.

d)

Using those will results in environmental problems.

2.

State one advantage of bulbs arranged in parallel arrangement in a circuit.

a)

When one bulb fused the other can still light up.

b)

Reduce the amount of electric current used for both bulbs.

c)

Both bulbs in a parallel arrangement in circuit will share the electric current produced by the battery.

d)

Parallel arrangement makes the bulbs light up brighter.

3.

The correct sequence of heart chambers a red blood cell would pass through as it travels through the heart _________________.

a)

Left Atrium – Right Atrium – Left Ventricle – Right Ventricle

b)

Left Atrium – Left Ventricle – Right Atrium – Right Ventricle

c)

Right Atrium – Right Ventricle – Left Atrium – Left Ventricle

d)

Right Atrium – Left Ventricle – Left Atrium – Right Ventricle

4.

You are asked to identify an unknown slide. Which could help you identify it to be an animal cell?

a)

Presence of Chloroplast

b)

Angular and rigid shape

c)

Absence of centrioles

d)

Absence of chloroplast

5.
How do you increase the surface area of an alkaline seltzer tablet?
a)
Heat it
b)
Crush it
c)
Leave it whole.
d)
Freeze it.
6.
Which of these statements correctly describes the forces acting on this statue? 
a)
The downward force of gravity affects the statue more than the table. 
b)
The downward force of gravity on the statue is balanced by the upward force of the table on the statue. 
c)
Gravity pushes down on the statue with a force greater than the upward force from the table. 
d)
Gravity pulls the table down and pushes the statue up. 
7.
In plants, opening in the leaves called stomata exchange gases with the enviroment. An organ system with a similar function in many animals is the... 
a)
Nervous
b)
Cardiovascular
c)
Respiratory
d)
Integumentary
8.
Which best describes what is happening to the light?
a)
Diffracted
b)
Diffused
c)
Reflected
d)
Refracted
9.
Which will have the greatest acceleration if acted upon by a net force of 150 N?
a)
2 kg object
b)
11 kg object
c)
45 kg object
d)
100 kg object
10.
Fish are able to survive in aquatic habitats due to
a)
Their ability to swim to the surface to breath
b)
Special structures adapted to obtain dissolved oxygen
c)
Their ability to change colors
d)
Special structures adapted to allow quick movements
11.
Terell placed two objects on s balance scale to measure their mass... Object 1 had a greater mass than object 2.  What conclusion can he make?
a)
There is less material in object 1 than object 2
b)
There is more material in object 1 than object 2
c)
They both have the same amount of material
d)
There can be no conclusion
12.
Which is soluble in water?
a)
Metal Shavings
b)
Sand
c)
Sugar
d)
Chalk Powder
13.
Sound does not travel through space because sound waves
a)
can only travel through gases like air
b)
expand out in circles rather than straight lines
c)
cannot move through places that are too dark
d)
must move through a substance to transfer energy
14.
In a tug of war game, balanced forces are best represented when both teams cause the flag to 
a)
fall to the ground
b)
stay in the middle
c)
move slowly in one direction
d)
be pulled quickly in one direction
15.
Pulleys use a wheel and a rope to lift heavy loads.  How do they make it easier?
a)
by altering the mass of the object
b)
by altering the frictional force in the rope
c)
by changing the direction of the applied force
d)
by changing the amount of gravity on the load
16.
A commercial ice pack has to be smashed before it can be used.  This is a chemical reaction because of what evidence?
a)
Releasing heat
b)
Absorbing heat
c)
Emitting light
d)
Absorbing sound
17.
When rain washes chemical fertilizers from farms and lawns into lakes, the water quality is affected.  Do chemical fertilizers help or harm a lake's water quality?
a)
Help - fertilizers become food for fish
b)
Help - fertilizers keep the water clearer
c)
Harm - fertilizers stain the water
d)
Harm - fertilizers cause too much lake plant growth
18.

The SI unit used to measure the length of the cloth is

a)

gram

b)

millimetre

c)

metre

d)

decimetre

19.
If you wanted to measure the mass of an object what would you use?
a)
pan balance
b)
triple beam balance
c)
spring scale
d)
graduated cylinder
20.

During a physical, it is noted that Bob's spine is curves from side to side. What does he have ?

a)

Kyphosis

b)

Scoliosis

c)

Lordosis

d)

Osteoporosis

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