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WorksheetsNC 8th Grade Science EOG Review 2
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
positively charged particle present in the nucleus of atoms
a)
Proton
b)
Atomic number
c)
Periodic table
d)
Electron
2.
when deep, cold water rises from the ocean bottom to the ocean surface
a)
Producers
b)
Evolution
c)
Plankton
d)
Upwelling
3.
introduction of harmful waste products, chemicals, not native to environment
a)
Consumers
b)
Food web
c)
Decomposers
d)
Pollution
4.
organisms that make their own food (plants, plankton)
a)
Producers
b)
Evolution
c)
Plankton
d)
Upwelling
5.
change in organisms over time due to environmental influence or competition
a)
Producers
b)
Evolution
c)
Plankton
d)
Upwelling
6.
close interaction between two or more different species
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
7.
tiny organisms that float in ocean currents; most are unicellular and perform photosynthesis
a)
Producers
b)
Evolution
c)
Plankton
d)
Upwelling
8.
negatively charged particles that move about the nucleus in an electron cloud
a)
Proton
b)
Atomic number
c)
Periodic table
d)
Electron
9.
characteristic of a material that can be observed or measured without changing the identity of the material
a)
Physical property
b)
Density
c)
Solubility
d)
Law of conservation
10.
organisms that eat producers
a)
Consumers
b)
Food web
c)
Decomposers
d)
Pollution
11.
nonliving parts of the environment (light, temperature, water, wind)
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
12.
organisms such as bacteria that break down tissue and release nutrients and carbon dioxide back into the ecosystem
a)
Consumers
b)
Food web
c)
Decomposers
d)
Pollution
13.
matter can not be destroyed nor can it be created, but it can be changed
a)
Physical property
b)
Density
c)
Solubility
d)
Law of conservation
14.
how much solute dissolves in a given amount of solvent
a)
Physical property
b)
Density
c)
Solubility
d)
Law of conservation
15.
tells you the number of protons in the nucleus of each atom of that element
a)
Proton
b)
Atomic number
c)
Periodic table
d)
Electron
16.
nonliving parts of the environment (light, temperature, water, wind)
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
17.
groups of populations that interact with each other in a given area
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
18.
close interaction between two or more different species
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
19.
anything that has mass and takes up space
a)
Abiotic
b)
Community
c)
Symbiosis
d)
Matter
20.
amount of mass a material has in a given volume
a)
Physical property
b)
Density
c)
Solubility
d)
Law of conservation
21.
arranges and displays all known elements in an orderly way
a)
Proton
b)
Atomic number
c)
Periodic table
d)
Electron
22.
process by which some producers change light energy into chemical energy (use light, carbon dioxide, and water to produce oxygen and glucose)
a)
Osmosis
b)
Photosynthesis
c)
Respiration
d)
Anaerobic
23.
type of cells that lacks a nucleus and other organelles
a)
Antibiotics
b)
Binary fission
c)
Prokaryote
d)
Protist
24.
diffusion of water
a)
Osmosis
b)
Photosynthesis
c)
Respiration
d)
Anaerobic
25.
simplest form of asexual reproduction used by bacteria
a)
Antibiotics
b)
Binary fission
c)
Prokaryote
d)
Protist
26.
chemicals produced by some bacteria used medicinally to control other bacteria
a)
Antibiotics
b)
Binary fission
c)
Prokaryote
d)
Protist
27.
bacteria that can survive without oxygen
a)
Osmosis
b)
Photosynthesis
c)
Respiration
d)
Anaerobic
28.
one or many celled organism that lives in moist or wet surroundings; can be animal or plant like; often associated with disease
a)
Antibiotics
b)
Binary fission
c)
Prokaryote
d)
Protist
29.
process that uses oxygen to release the energy in food molecules and produces carbon dioxide and water as waste products
a)
Osmosis
b)
Photosynthesis
c)
Respiration
d)
Anaerobic
30.
network of interconnected food chains – shows how energy moves through an ecosystem; arrows indicate the direction in which energy is transferred from one organism to another
a)
Consumers
b)
Food web
c)
Decomposers
d)
Pollution
31.
nitrogen, oxygen, and carbon are essential to life and are what type of elements?
a)
alkali metals
b)
nonmetals
c)
metals
d)
gases
32.
group of elements that combine most readily with group 17 elements
a)
Group 1
b)
Group 8
c)
Group 4
d)
Group 7
33.
a process that produces a chemical change
a)
Law of Conservation
b)
Physical Reactions
c)
Chemical Reactions
d)
Conservation
34.
substances that exist before a reaction; substances that exist after the reaction
a)
Reactants/products
b)
Products/Reactions
35.
minimum amount of energy needed to begin a reaction
a)
Binary Fission
b)
Catalyst
c)
Activation Energy
d)
Polymer
36.
scientific equipment that uses one or more lenses to magnify objects
a)
Physical Property
b)
Vaccine
c)
Virus
d)
Compound microscope
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