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Science Final
Test Description: Last test for year
Instructions: Answer all questions to get your test result.
1) If 2 or more elements are chemically bonded together, they form a ________
A
element
B
chemical formula
C
compound
2) Which of these is a compound?
A
Au - Gold
B
HCl - Hydrochloric acid
C
He - Helium
3) Solubility, density and freezing point are examples of________ ex: a melting ice cream
A
reaction
B
chemical change
C
physical change
4) Elements are a pure substance so which of these is an element?
A
Gold -Au
B
Water- H2O
C
Carbon dioxide- CO2
D
Salt- NaCl
5) Color and temperature change, forming solids and bubbling are signs of a_________
A
physical change
B
no reaction
C
chemical reaction
6) Planets that are rocky and terrestrial are the _______ planets. M V E M
A
inner
B
outer
C
solar system
7) What is made of ice, dust and dirt with a tail?
A
star
B
asteriod
C
comet
8) The planets such as Jupiter, Saturn, Neptune and Uranus (outer planets)are called
A
rocky bodies
B
gas giants
C
ringed planets
9) A large rocky body usually found between Jupiter and Mars is called...
A
comet
B
asteriod
C
meteor
D
meteriod
10) What has a nucleus and membrane bound organelles?
A
an eukaryotic cell
B
a bacteria cell
C
a plant cell
D
a parkaryotic cell
11) What do you call an organism made of one microscopic cell?
A
multicellular
B
unicellular
C
an animal
D
a plant
12) Bacteria which is a small, unicellular organism is.....
A
prokaryotic
B
eukaryotic
C
not either prokaryotic or eukaryotic
13) Multicellular means that organisms are made up of _____ cell(s).
A
two or more
B
no cells at all
C
one
14) Biotic factor is......
A
groups of same species
B
non-living organisms
C
groups of living things
15) An ecosystem has....
A
living and non- living things
B
water but no animals
C
only living things
16) Identifying, naming and classifying organisms is called...
A
ecology
B
biology
C
taxonomy
17) What has a shiny kuster, conducts electricity and is ductile?
A
glass
B
metal
C
rocks
18) Non- metals do NOT have...
A
a dull luster
B
malleable(bendable)
C
poor conductivity
D
brittleness
19) Rust is a form of.....
A
temperature change
B
physical change
C
chemical change
20) A worm. a spider, a cat and a crab are all animals and also are....
A
have the same inside (internal) structures
B
hace similar ways of moving (locomotion)
C
asexual reproducers
D
multicellular organisms
*select an answer for all questions
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