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