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Matter/Waves

Total questions: 27

Worksheet time: 17mins

Name
Class
Date
1.
a)
Periods
b)
Groups
2.
How did Mendeleev arrange the elements?
a)
alphabetical 
b)
density
c)
melting point
d)
atomic mass
3.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
4.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
5.
Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.
a)
Alkali Metals
b)
Alkaline-earth metals
c)
Halogens
d)
Noble Gases
6.

Who invented the Periodic Table?

a)

Mendeleev

b)

Bohr

c)

Lewis

d)

Democritus

7.

Mendeleev's genius was his ability to

a)

predict elements that were not discovered yet

b)

organize elements by their mass

c)

had an element named after himself

d)

organize elements by properties

8.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
9.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
10.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
11.
How many carbon atom/s are present in the compounds CaCO3?
a)
1
b)
2
c)
3
d)
4
12.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
13.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
14.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
15.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
16.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
17.

The distance in between two waves.

a)

wave speed

b)

frequency

c)

wavelength

18.

the number of waves that pass a certain point.

a)

wave speed

b)

frequency

19.

Look at this wave. "A" is which part of a wave?

a)

Crest/Peak

b)

Wave Speed

c)

Resting Point

20.

Which wave has the longest wave length?

a)

top wave

b)

bottom wave

21.
Which travels faster, light or sound?
a)
light
b)
sound
22.
What is the height of a wave?
a)
amplitude
b)
wavelength
23.

Which wave travels in outer space?

a)

light

b)

sound

24.

What is the letter a showing?

a)

crest

b)

trough

c)

wavelength

d)

amplitude

25.

What is the function of the ridges on your outer ear?

a)

They prevent germs from entering your middle ear.

b)

They direct sound into your middle ear.

c)

They prevent loud noises from damaging your inner ear.

d)

They filter out very high and low-frequency sounds.

26.

How is your eardrum like a real drum?

a)

It produces sound.

b)

It vibrates.

c)

It is frequently struck by the bones in your middle ear.

d)

It is hollow.

27.

What is unique about the hammer, stirrup, and anvil?

a)

They are the smallest bones in your body

b)

They are the only bones in your body that move

c)

They are the only bones located in your head

d)

They are the only bones that cannot be broken