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Worksheets

Year 9 Recall

Total questions: 36

Worksheet time: 19mins

Name
Class
Date
1.

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

a)

cell

b)

nucleus

c)

atom

d)

electron

2.

What are any of the various self-contained units of matter or energy that are fundamental parts of all matter. These particles include electrons, protons, and neutrons.

a)

subatomic particles

b)

elements

c)

nucleus

d)

electron cloud

3.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

4.

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

5.

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

a)

neutron

b)

proton

c)

electron

d)

electron cloud

6.

What is the system of electrons surrounding the nucleus of an atom?

a)

valence electrons

b)

nucleus

c)

electrons

d)

electron cloud

7.

What is the center of an atom containing protons and neutrons?

a)

nucleus

b)

neutron

c)

proton

d)

electron cloud

8.

What is the number of protons in the nucleus of an atom that determines the chemical properties of an atom?

a)

mass number

b)

atomic mass

c)

atomic number

d)

atomic symbol

9.

What is the combined mass of all the protons and neutrons of an atom and is approximately equal to the number of protons and neutrons?

a)

atomic mass

b)

atomic number

c)

subatomic particles

d)

nucleus weight

10.

What is material that has mass and takes up space?

a)

volume

b)

mass

c)

matter

d)

density

11.
This organelle acts like a gatekeeper, allowing some materials to pass through it, but not others. 
a)
Cytoplasm
b)
Cell Membrane
c)
Mitochondria
d)
Vacuole
12.
What structure is in plant cells but not animal cells?
a)
Cell Membrane
b)
Mitochondria
c)
Cell Wall
d)
Vacuole
13.
This organelle is a gel-like fluid that takes up most of the space inside the cell. 
a)
Cytoplasm
b)
Cell Membrane
c)
Vacuole
d)
Golgi Body
14.
Where is the genetic material found in the cell? 
a)
Nucleolus
b)
Cytoplasm
c)
Nucleus
d)
Chloroplast
15.

Organelles where photosynthesis occurs, are green due to chlorophyll pigment found in them.

a)

Chloroplasts

b)

Cell Wall

c)

Cell Membrane

d)

Cytoplasm

16.

Powerhouse of the cell, organelle that is the site of ATP ( energy production ) and cellular respiration in plants and animals.

a)

Nucleus

b)

Ribosomes

c)

Mitochondria

d)

Vacuoles

17.

Saclike structures that store materials such as water, salts, proteins, and carbohydrates.

a)

Nucleus

b)

Ribosomes

c)

Organelles

d)

Vacuoles

18.

Which structures do plant cells have that animal cells do NOT have?

a)

cell wall

b)

large central vacuole

c)

chloroplasts

d)

all of these

19.
What structure is in plant cells but not animal cells?
a)
Cell Membrane
b)
Mitochondria
c)
Cell Wall
d)
Vacuole
20.
In many cells, this is the structure that controls the cell's activities.
a)
Cell membrane
b)
Organelle
c)
Nucleolus
d)
Nucleus
21.
Identify letter H.
a)
nucleus
b)
mitochondria
c)
golgi complex
d)
cytoplasm
22.
Identify letter B.
a)
golgi apparatus
b)
nucleus
c)
cell wall
d)
vacuole
23.
Identify letter I.
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
24.

What is the stage where you "prep" everything called?

a)

Pro phase

b)

Meta phase

c)

Derp-phase

d)

anti phase

25.

What happens if there is a mess up in the DNA structure?

a)

Mutations, like autism and down syndrome

b)

cancer

c)

mutations; deformities

d)

nothing

26.

what is the split phase called

a)

telophase

b)

antiphase

c)

metophase

d)

prophase

27.

what is this phase?

a)

metaphase1

b)

antiphase

c)

metaphase2

d)

telaphase

28.

what is this phase?

a)

anaphase

b)

prophase

c)

telaphase

d)

enter phase

29.

what is this phase

a)

prophase

b)

metaphase

c)

anaphase

d)

teloophase

30.

what happens if there is a mess up in meiosis?

a)

mutations in gametes

b)

nothing

c)

midgets

d)

Who cares

31.
Where is radio waves located?
a)
2
b)
3
c)
1
d)
8
32.
Where is gamma on the EM spectrum?
a)
3
b)
5
c)
7
d)
1
33.
Where is Ultraviolet (UV)  on the EM spectrum?
a)
2
b)
6
c)
4
d)
5
34.
What is represented by the #2?
a)
Radio
b)
X-Ray
c)
Mircowave
d)
Visible Light
35.
Which one has the lowest frequency?
a)
Visible Light
b)
Microwave
c)
Radio
d)
Gamma
36.
Put the EM waves in increasing order 
a)
visible light, microwave, gamma
b)
infrared, microwave, radio
c)
ultraviolet, radio, x-ray
d)
radio, visible light, ultraviolet

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