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Life Science Final

Total questions: 65

Worksheet time: 16hrs 15mins

Name
Class
Date
1.
The non living parts of an ecosystem
a)
abiotic factors
b)
biotic factors
c)
oxygen
d)
soil
2.
All of the different populations that live in a specific area.
a)
ecosystem
b)
habitat
c)
ecology
d)
community
3.
An abiotic part of an ecosystem; required by plants to perform photosynthesis.
a)
water
b)
soil
c)
sunlight
d)
oxygen
4.
An abiotic part of an ecosystem; this gas is required by all living things.
a)
oxygen
b)
ecology
c)
biotic factors
d)
jellybeans
5.
The place where an organism lives that provides it with shelter, food and water.
a)
ecosystem
b)
population
c)
community
d)
habitat
6.
The study of the interaction of living and nonliving things in the environment.
a)
biology
b)
ecology
c)
zoology
d)
psychology
7.
All the members of one type of species in a specific area.
a)
habitat
b)
community
c)
population
d)
ecosystme
8.
the living parts of an ecosystem
a)
biotic factors
b)
biology
c)
abiotic factors
d)
animals
9.
An abiotic part of an ecosystem; made of small pieces of rock, water and decaying matter.
a)
sunlight
b)
oxygen
c)
water
d)
soil
10.
All of the different populations that live in a specific area.
a)
community
b)
habitat
c)
ecosystem
d)
village
11.
A snake 
a)
ecosystem 
b)
organism 
c)
population 
12.
snakes, mice, small birds, crickets, hawks, cactus, tumbleweed
a)
organism
b)
community
c)
population 
13.
a bird 
a)
abiotic 
b)
biotic 
14.
the sun 
a)
abiotic 
b)
biotic 
15.

True or False:

Organisms are living things

a)

true

b)

false

16.

What is a producer?

a)

organism that cannot make their own food so they eat other organisms

b)

organism that makes their own food

c)

organism that break down dead organisms

17.

What is a decomposer?

a)

an organism that breaks down dead organisms for energy

b)

an organism that makes its own food

c)

an organism that eats other organisms

18.

Does a food chain start with the sun?

a)

yes

b)

no

19.

What is a consumer?

a)

an organism that breaks down dead organisms

b)

an organism that makes its own energy and food

c)

an organism that eats other organisms for energy

20.

What is a food web?

a)

a model that contains many food chains

b)

a model that contains one food chain

c)

a model that shows where the sun gets its energy

d)

a model that shows how decomposers break down organisms

21.

True or False:

A food web shows how energy flows through an ecosystem

a)

true

b)

false

22.

What is the source of all energy?

a)

water

b)

food

c)

decomposers

d)

sun

23.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

24.

a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

a)

element

b)

subatomic particle

c)

electron

d)

matter

25.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

26.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

27.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

28.

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

a)

Periodic Table of Elements

b)

Atomic Theory

c)

Isotopes

d)

Subatomic Particles

29.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

30.

a unique number for each element that equals the number of protons in an atom of that element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

31.

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

32.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

33.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

34.

one of several forms of a single element, which contains the same number of protons, but different numbers of neutrons

a)

isotope

b)

ion

c)

orbital

d)

nucleus

35.

an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged

a)

isotope

b)

ion

c)

orbital

d)

nucleus

36.

How do you calculate the number of neutrons? *

a)

Mass = Atomic number - Neutrons

b)

Mass - Atomic number = Neutrons

c)

Atomic number = Neutrons

37.
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
38.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
39.
How many elements are in H2O?
a)
1
b)
2
c)
3
d)
4
40.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
41.
Where are the nonmetals located on the periodic table?
a)
top left corner
b)
bottom left corner
c)
top right corner
d)
bottom left corner
42.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
43.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
44.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
45.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
46.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
47.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

48.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

49.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

50.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

51.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

52.

A neutron has _________ charge or is ________.

a)

negative ... neutral

b)

positive .... neutral

c)

no .... negative

d)

no ... neutral

53.
Which is an electron?
a)
A
b)
B
c)
C
54.

The smallest part of any element. Made up of protons, neutrons and electrons.

a)

Atom

b)

AMU

c)

Ion

d)

Isotope

55.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

56.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

57.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
58.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

59.

How many atoms of Hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

60.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
61.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

62.

What is the chemical symbol for Hydrogen

a)

H

b)

He

c)

Hy

d)

Hg

63.

What is this subatomic particle that has positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

64.

What is the most important thing you learned about Life Science? (Please answer in complete sentences)

4 lines
65.

In your own words, explain what is Life Science?

4 lines

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