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TCAP Prep 2
Test Description: Various questions to review for TCAP
Instructions: Answer all questions to get your test result.
1) Which of these is an example of a chemical change?
A
bending a nail
B
separating a salt water solution
C
wood burning
D
pounding a gold nugget into a sheet
2) When two populations can no longer interbreed, they have
A
developed into two species
B
adapted to their environment
C
developed similar traits and characteristics
D
developed different looks
3) A mixture composed of substances that are spread evenly throughout is called
A
homogeneous
B
heterogeneous
C
a suspension
D
a liquid
4) How does adaptation help an organism?
A
I helps the organism become a fossil
B
It improves its ability to change species
C
It helps the organism change colors
D
It improves its ability to survive and reproduce
5) Fossil records can reveal changes in the environment over time. Scientists have found fossils of marine animals on the tops of mountains in Canada. What does this tell us about the history of the environment in that area?
A
The mountains formed before the animals died, and their remains were fossilized
B
The ancient environment in the area was much drier than it is today
C
The ancient environment in the area did not favor fossilization
D
The mountains were once sediment at the bottom of an ocean
6) Modern scientific explanations of how species have changed over time
A
rely on genetics instead of natural selection
B
combine the principles of natural selection and heredity
C
have replaced Darwin's theory
D
fail to explain how traits are inherited
7) What is necessary for a substance to burn?
A
helium
B
hydrogen
C
oxygen
D
carbon
8) Which one of the following in the Periodic Table of Elements tells the physical state of an element at room temperature?
A
the element name
B
the atomic mass
C
the atomic number
D
the color of the chemical symbol
9) Which of the following statements best describes the particles of a liquid?
A
the particles are far apart and moving slowly
B
the particles are closely packed and vibrating in place
C
the particles are close together but moving past each other
D
the particles are far apart and moving fast
10) When using a triple-beam balance to measure mass, which is not necessary to get an accurate reading?
A
ensuring minimum motion is affecting the substance
B
using your finger to keep the beam from vibrating
C
allowing the balance to come to a complete rest to ensure accuracy
D
making sure the balance is on a level surface
*select an answer for all questions
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