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Science - Physics - Quiz 2

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.
The SI unit for temperature is __?__.
a)
degree fahrenheit  (° F)
b)
degree celsius  (° C)
c)
kelvin  (K)
d)
degree centigrade  (°C)
2.
What SI unit is used to measure electric current?
a)
seconds
b)
amperes
c)
Kelvin
d)
mole
3.

SI stands for ___.

a)

Sports Illustrated

b)

Scientific Notation

c)

International System (of measurements)

d)

Instructional System (of measurements)

4.

How many variables can be tested in a controlled experiment?

a)

0

b)

1

c)

2

d)

as many as you want if you set it up the right way

5.

A scientific __________ describes why something happens.

a)

law

b)

theory

6.

Malik was using a skipping rope to do a wave. Ryan is curious to find out the speed of the wave. Which formula will he need to use?

a)

K.E.= 1/2 mv2

b)

v = fλ

c)

f = 1/ T

d)

R = V/I

7.

Fatin was running at the field towards Nisha. Nisha wants to calculate her kinetic energy before she stops. What should she use to calculate?

a)

K.E.= 1/2 mv2

b)

W = F x s

c)

M = F x d

d)

G.P.E. = mgh

8.

What does the prefix milli represent?

a)

10-6

b)

10-9

c)

10-3

d)

103

9.

Figure (i) and (ii) represent respectively,

a)

NAND, NAND

b)

NAND, NOR

c)

NOR, NAND

d)

AND, OR

10.

2. Who is the father of Quantum theory?

a)

Newton

b)

Fermi

c)

Planck

d)

Einstein

11.

What is the scientific study of the propagation, absorption, and reflection of sound waves?

a)

sound pressure

b)

elastic modulus

c)

acoustics

d)

none of the above

12.

Physics is a branch of Science which deals with________ and ______________

(a)  

13.

The ozone layer restricts

a)

Visible light

b)

Infrared Radiation

c)

X-ray and Gamma ray

d)

Ultraviolet Radiation

14.

Pencil “lead” is made up of

a)

Graphite

b)

Charcoal

c)

Lead Oxide

d)

Lampblack

15.

What is a beta particle made of?

a)

One proton

b)

A helium particle

c)

One electron

d)

One proton and one neutron

16.
TRUE or FALSE: gamma changes the atomic number.
a)
True
b)
False
17.
What is emitted during Beta Radiation?
a)
A high-energy Electron.
b)
Protons.
c)
Neutrons.
d)
Nuclei
18.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
19.
What is radioactive decay?
a)
The spontaneous breakdown of an atomic nucleus resulting in only energy release
b)
The spontaneous breakdown of an atomic nucleus resulting in only matter release
c)
The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter
d)
The decay of the use of radios and the increased use of televisions.
20.
How many protons does gold atom have?
a)
197
b)
79
c)
118
d)
276
21.

Neutrons ......

a)

has positive electric charge with equal magnitude to that of an electron.

b)

has no net electric charge.

c)

has negative electric charge.

d)

orbiting the nucleus.

22.

What kind of force holds the nucleus together?

a)

Strong Nuclear Force

b)

Weak Nuclear Force

c)

Gravitational Force

d)

Electromagnetic Force

23.

Units of Force (F)

a)

s

b)

kg

c)

m

d)

N

24.

Units of acceleration (a)

a)

m/s

b)

kg

c)

m/s2

d)

N

25.

Units of velocity (v)

a)

m/s2

b)

m/s

c)

N

d)

kg m/s

26.

Units of energy (KE, PE, EE)

a)

kg

b)

J

c)

kg m/s

d)

m/s2

27.

Units of work (W)

a)

J

b)

W

c)

kg m/s

d)

m

28.
In the standard model, the particle considered to be an elementary particle is a(n)
a)
proton
b)
neutron
c)
electron
d)
alpha particle
29.
The word "atom" means what?
a)
"indivisible"
b)
"Adam"
c)
"extremely small"
d)
"indestructible"
30.
All atoms consist of mostly empty space.
a)
True
b)
False
31.
Almost all of the mass of an atom is found in what part?
a)
The electron cloud
b)
The nucleus
c)
The protons
d)
The charge
32.
Which of the following is a fundamental particle of the universe?
a)
The proton
b)
The neutron
c)
The electron
d)
They all are fundamental particles
33.
All of the following are quarks except 
a)
strange
b)
bottom
c)
charmed
d)
fundamental
34.
Mass and energy are interrelated and this is shown with Einstein's equation, E=mc2. 
a)
True
b)
False
35.
A proton is made up of two up quarks and one down quark with charges of +2/3, +2/3, and –1/3. 
a)
True 
b)
False
c)
More information is needed
36.
In our universe, bosons carry forces, fermions make up matter. This was from the TedEd lesson.
a)
True
b)
False
37.
Metals are good conductors of electricity because
a)
they contain free electrons
b)
the atoms are lightly packed 
c)
they have high melting point
d)
all of the above
38.
Planets do not twinkle because
a)
they emit light of a constant intensity
b)
Their distance from the earth does not change the  time
c)
They are very far away from the earth resulting in decrease in intensity of light
d)
They are nearer to earth and hemce we recieve a greater amount of light and, therefore minor variations in the intensity are not noticeable
39.
Stars appears to move from east to west because
a)
All stars move from east to west
b)
The earth rotates from west to east
c)
The earth rotates from east to west
d)
The background of the stars moves from west to east
40.
Light from the sun reaches us in nearly
a)
2 minutes
b)
4 minutes
c)
8 minutes
d)
16 minutes
41.
The absorption of ink by blotting paper involves 
a)
Viscosity of ink
b)
Capillary action phenomenon
c)
Diffusion of ink through the blotting
d)
Siphon action
42.
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
a)
The heating effect of current alone
b)
Hysteresis loss alone
c)
both the heating effect of current and hysteresis loss
d)
intense sunlight at noon
43.

What would I use to measure the sticky note?

a)

Scale

b)

Measuring tape

c)

Handspan

d)

Foot

44.

What would you use to measure the length of a car

a)

Vernier caliper

b)

Measuring tape

c)

Scale

d)

Compass

45.

The height of a person is 1.65 m. Express the height in cm

a)

165 cm

b)

16.5cm

c)

1650 cm

d)

1.65 cm

46.

While measuring the lenght of a of a kerchief, the reading of the scale at one end is 2.0 cm and at the other end is 33.cm. What is it’s length ?

a)

33.1 cm

b)

30.1 cm

c)

31.1 cm

d)

29.1 cm

47.

The unit you will use to measure the distance from Delhi to Patna is

a)

Centimetre

b)

Kilometre

c)

Millimetre

d)

Decimetre

48.

The standard unit of time is according to SI system is

a)

Minute

b)

Second

c)

Hour

d)

Day

49.

Who discovered Gravity?

a)

Charles Babbage

b)

Isaac Newton

50.

The orbits of the planets around the sun are

a)

Circular

b)

Horizontal

c)

Elliptical

d)

Diagonal

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