NEW
Font size
S
M
L
XL
WorksheetsScience Post-Test Review
Total questions: 39
Worksheet time: 20mins
Name
Class
Date
1.
Which substance can be separated physically?
a)
oxygen
b)
water
c)
carbon dioxide
d)
salt water
2.
How many products are in this chemical equation?
(NH4)2Cr3O2 -----> N2 + 5H2O + Cr2O3
(NH4)2Cr3O2 -----> N2 + 5H2O + Cr2O3
a)
4
b)
5
c)
3
d)
6
3.
A weak base turns _______ pink when phenolphthalein is added.
a)
light
b)
dark
4.
What kind of elements separate the metals from the nonmetals on the periodic table?
a)
transition elements
b)
noble gases
c)
metalloids
d)
halogens
5.
Why is table salt a compound rather than a mixture?
a)
A mixture has more than one elements with properties that are unique
b)
A mixture has two or more elements and can be separated by physical means
c)
A compound has two or more elements and retains the properties of the elements
d)
A compound has more than one element and properties that are unique from its elements
6.
How many atoms of hydrogen are found in acetic acid, HC2H3O2?
a)
4
b)
2
c)
3
d)
5
7.
A substance is dull in appearance, soft, and does not conduct heat. Which most likely describes the substance?
a)
noble gas
b)
metal
c)
nonmetal
d)
metalloid
8.
Flammability is a ________ property of matter.
a)
physical
b)
chemical
9.
The law of conservation of matter states that matter is neither __________ nor __________.
a)
created, destroyed
b)
made, lost
c)
gained, lost
10.
If a chemical equation contains the same number of atoms on the products side as it does on the reactants side, the law of conservation of _________ is represented.
a)
chemical equations
b)
mass
c)
matter
11.
An atom has __________ and __________ in its nucleus.
a)
protons, electrons
b)
protons, neutrons
c)
electrons, subatomic particles
12.
An atom has __________ in its outer cloud, which have a ___________ charge.
a)
electrons, negative
b)
electrons, positive
c)
neutrons, negative
d)
neutrons, positive
13.
Changing size is NOT evidence of a ________ reaction.
a)
chemical
b)
physical
14.
Oxygen is released during which cellular process?
a)
breathing
b)
fermentation
c)
respiration
d)
photosynthesis
15.
Hair color, height, eye color, and freckles are all examples of human traits. What do we call the physical expression of genes?
a)
genetics
b)
genotype
c)
heredity
d)
phenotype
16.
This picture shows what kind of organelle?
a)
mitochondria
b)
nucleus
c)
chloroplast
d)
cytoplasm
17.
Can a child inherit strong muscles from his father?
a)
No, strong muscles are an acquired trait.
b)
Yes, the child will have strong muscles just because his father does.
18.
What structures contain genetic information that is passed from one generation of cells to the next?
a)
chromosomes
b)
alleles
c)
ribosomes
d)
mitochondria
19.
A ________ cell has a cell wall and a large central vacuole.
a)
plant
b)
animal
20.
Which combination would result in 75% purple flowers and 25% white flowers? Purple flowers are dominant to white flowers.
a)
Pp and Pp
b)
PP and Pp
c)
Pp and pp
d)
PP and pp
21.
The cell membrane controls ______________________________.
a)
what centers and leaves the cell, as well as provides support for the cell.
b)
coloring for the cell.
c)
the energy that the cell produces.
22.
Which cellular process allows an organism to continue to grow despite the death of its cells?
a)
meiosis
b)
mitosis
c)
photosynthesis
d)
cellular respiration
23.
Circle-shaped bacteria is referred to as __________.
a)
coccus
b)
amoeba
c)
bacillus
d)
spirillus
24.
What is the function of the circulatory system?
a)
protects the body from disease
b)
removes waste products from the blood
c)
brings oxygen into the body and removes carbon dioxide
d)
transports oxygen and nutrients to cells and removes waste products
25.
Which two body systems work together to bring food into your body and remove wastes from your body?
a)
respiratory and excretory
b)
muscular and circulatory
c)
circulatory and digestive
d)
digestive and excretory
26.
The stomach is a(n) ________.
a)
cell
b)
tissue
c)
organ
d)
organ system
27.
What type of voluntary muscles do you use when you climb stairs?
a)
smooth
b)
cardiac
c)
connective
d)
skeletal
28.
Which describes the organization of the human body?
a)
tissue, cell, organ system, organism, organ
b)
cell, tissue, organ, organ system, organism
c)
organ system, tissue, cell, organism, cell
d)
cell, tissue, organ system, organ, organism
29.
What is the central nervous system made up of?
a)
nerve cells and brain
b)
ear, nose, eyes, tongue, skin
c)
brain and spinal cord
d)
brain and nerve cells
30.
What is the path of travel that urine travels through?
a)
kidneys, urethra, ureters, bladder
b)
kidneys, bladder, ureters, utrethra
c)
kidneys, ureters, bladder, urethra
d)
urethra, bladder, ureters, kidneys
31.
The ___________ controls thoughts, voluntary actions, and sensations related to the 5 senses.
a)
cerebellum
b)
cerebrum
c)
spinal cord
d)
brain stem
32.
Which of the following is NOT a function of the skeletal system?
a)
protects internal organs
b)
creates blood cells
c)
attaches to muscle to allow movement
d)
helps fight infection
33.
What is homeostasis?
a)
the ability to fight off infection
b)
the process in which a cell uses food for energy
c)
the ability for a male to make reproductive cells
d)
the body's ability to regulate its internal environment
34.
What do we call a resource that cannot be replenished by natural resources?
a)
scarce
b)
reserve
c)
renewable
d)
nonrenewable
35.
Which of these is the correct order from lowest to highest environmental organization?
a)
biome, ecosystem, population, community, organism
b)
organism, population, community, ecosystem, biome
c)
ecosystem, biome, community, organism, population
d)
population, community, organism, ecosystem, biome
36.
The most energy is available at the _________ of a food chain.
a)
beginning
b)
end
37.
A ________ is the job of an animal.
a)
niche
b)
habitat
c)
ecosystem
d)
biome
38.
Gases and water pass through the soil of particles because of ________.
a)
erosion
b)
weathering
c)
acidity
d)
permeability
39.
A ________ consumer would be identified by a bigger fish eating a smaller fish (when that smaller fish has eaten sea grass).
a)
secondary
b)
primary
c)
tertiary
Reset
