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