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Benchmark #1 Review
Test Description: #just for review
Instructions: Answer all questions to get your test result.
1) a moving roller coaster has that FORM of energy and this STATE of energy
A
chemical and kinetic
B
mechanical and potential
C
kinetic and potential
D
mechanical and kinetic
2) the variable that the scientist changes; the one the scientist is testing
A
dependent
B
independent
C
controlled
3) not a fossil fuel
A
coal
B
biomass
C
oil
D
natural gas
4) Things that you have to plug in start out with what form of energy?
A
thermal
B
chemical
C
mechanical
D
electrical
5) Which statement is false?
A
Potassium is an alkali metal.
B
Rows of elements are called groups.
C
Group 18 contains the noble gases.
D
Na is the symbol for sodium.
6) A rock was placed in 30 mL of water. The water level increased to 35 mL. The volume of the rock is...
A
-5 mL
B
5 mL
C
65 mL
D
35 mL
7) Which of the following resources is renewable, meaning it can be replaced quickly?
A
coal
B
oil (petroleum)
C
solar energy
D
natural gas
8) To find protons, look at the...
A
mass number
B
atomic number
C
atomic mass
D
chemical symbol
9) When something new is produced, a ____________ change has occurred.
A
chemical
B
mechanical
C
property
D
physical
10) During an experiment, what is measured is the ___________ variable.
A
dependent
B
manipulated
C
independent
11) Parts of a(n) CAN BE separated.
A
element
B
mixture
C
compound
D
pure substance
12) How many total atoms are in the formula for chalk?
A
4
B
6
C
5
D
1
13) Two or more elements chemically combine to form...
A
transition metals
B
mixtures
C
compounds
D
halogens
14) How do you know how many atoms are in a chemical formula?
A
Add all the subscripts together.
B
Find the number of neutrons.
C
mass number - atomic number
D
Look at the atomic number.
15) What is the charge of an electron?
A
neutral
B
positive
C
no charge
D
negative
16) The most abundant element/gas in our atmosphere is..
A
Helium.
B
Carbon.
C
Oxygen.
D
Nitrogen.
17) The elements that make up a sugar molecule are Carbon, Hydrogen, and Oxygen? Which symbol is not in the formula?
A
O
B
C
C
H
D
Ca
18) mass/volume is the formula for..
A
change
B
turbidity
C
energy
D
density
19) Graduated cylinders and beakers are used to measure...
A
volume.
B
weight.
C
temperature.
D
mass.
20) At its highest point in the air, a baseball would have the greatest...
A
GPE
B
EPE
C
KE
D
GSU
*select an answer for all questions
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