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