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