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Grade 9 Science PAT Prep

Total questions: 45

Worksheet time: 44mins

Name
Class
Date
1.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
2.
This is when a new organism grows by cell division on the body of its parent. The bud, or offspring is identical to the parent. The bud, when large enough, can break off of the parent and live on its own.  Examples of this include yeast, hydra and potatoes.
 
a)
Regeneration
b)
Vegetative propagation
c)
Fission
d)
Budding
3.

Coat color in a dog breed is determined by incomplete dominance where three colors are produced (Brown, tan and white), and the brown coat allele (B) has incomplete dominance over the white coat allele (b). Which offspring ratio would be expected from a cross between a brown dog and a white dog?

a)

A. 2 BB: 2 Bb

b)

B. 4 Bb

c)

C. 1 BB: 2 Bb: 1 bb

d)

D. 2 BB: 2 bb

4.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
5.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
6.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
7.

According to the graph, what is causing the deer population to decrease

a)

They got sick

b)

The wolf population is decreasing

c)

The wolf population increased

d)

They ran out of food

8.

The smallest unit of an element that retains the properties of that element is called a(n)

a)

Element

b)

Compound

c)

Atom

d)

Molecule

9.

Which of the following is NOT a pure substance?

a)

Element

b)

Compound

c)

Mixture

d)

Molecule

10.

Which of the following is NOT a potential sign of chemical change?

a)

Change in odor

b)

Boiling

c)

Fizzing

d)

Change in color

11.

What does the atomic number represent?

a)

how many atoms are in a group.

b)

how much an atom weighs.

c)

the number of protons in the nucleus of the atom.

12.

Which particles are contained in the nucleus of an atom?

a)

neutrons and electrons

b)

protons and neutons

c)

protons, neutron, and electrons

13.

the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

14.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
15.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
16.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

17.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
18.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
19.

How many nitrogen atoms are there?

a)

4

b)

8

c)

10

d)

20

20.

How many total atoms are there?

a)

8

b)

5

c)

3

d)

1

21.
Grinding a seltzer tablet into powder increases the rate of reaction due to increased
a)
concentration
b)
surface area
c)
temperature
d)
reactants
22.

Select the correct formula for the

IONIC COMPOUND

Magnesium Chloride

a)

MgCl2

b)

MgCl

c)

Mg2Cl

d)

Mg2Cl3

23.

Select the correct formula for the

COVALENT COMPOUND

diphosphorus trioxide

a)

PO

b)

P3O2

c)

PO2

d)

P2O3

24.

Is the formula P2O3 an ionic or covalent compound?

a)

ionic

b)

covalent

25.

What is the name for the formula NF3?

a)

nitrogen trifluoride

b)

nitrogen fluoride

c)

nitroxide fluoride

d)

nitrogen trifuorine

26.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
27.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
28.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
29.
The flow/movement of electric charges 
a)
Voltage
b)
Resistance 
c)
Current 
d)
Circuit 
30.
The accumulation of excess electric charge on an object is called
a)
Static electricity 
b)
Electric discharge
c)
Resistance
d)
Circuit 
31.
This circuit contains two or more branches for current to move through. 
a)
Series Circuit 
b)
Parallel Circuit 
32.
The current has only has one loop to flow through in this circuit. 
a)
Series Circuit 
b)
Parallel Circuit 
33.

In which circuit below, will all lights go out when one light is broken?

a)
b)
c)
34.

Which picture below shows a parallel circuit?

a)
b)
c)
d)
35.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
36.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
37.
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
a)
lower
b)
higher
c)
the same
d)
none of the above
38.

A biological indicator of too much nitrate in water can be...

a)

cloudy water

b)

no algae present

c)

algal bloom

d)

dead fish

39.

What is an indicator species?

a)

environmental indicators that offer a signal of the biological condition in a watershed

b)

any animal with a backbone and large enough to see without the aid of a microscope

c)

plants that have adapted to living in aquatic environments (saltwater or freshwater)

d)

microscopic, single-celled organisms that thrive in diverse environment

40.

Why are many large optical telescopes located on mountains?

a)

it is cheaper to build on mountains

b)

to be above part of the atmosphere

c)

because it is easier to build telescopes on mountains

d)

to be closer to city lights

41.
A device that detects radio waves from objects in space is called a(n)
a)
radio telescope.
b)
reflecting telescope.
c)
refracting telescope.
d)
electromagnetic telescope.
42.
What color has the longest wavelength?
a)
Red
b)
Orange
c)
Green
d)
Blue
43.
What color has the shortest wavelength?
a)
Blue
b)
Red
c)
Green
d)
Yellow
44.
They are small and have rocky bodies. 
a)
this describes the inner planets 
b)
this describes the outer planets 
45.

Name the inner planets

a)

Saturn, Jupiter, Earth, Mercury

b)

Mercury, Venus, Earth, Mars

c)

Venus, Earth, Mercury, Saturn

d)

Neptune, Venus, Mercury, Mars

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