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TCAP Prep 3
Test Description: Various questions to review for TCAP
Instructions: Answer all questions to get your test result.
1) A change that affects the physical properties but not the identity of a substance is
A
a reaction
B
a chemical change
C
a physical change
D
a reduction
2) Which of the following is an example of a suspension
A
salad dressing
B
seawater
C
cooking oil
D
gelatin
3) What is the first step of a scientific investigation?
A
conducting an experiment
B
asking a question
C
making a prediction
D
drawing a conclusion
4) Which of the following soil properties influences how nutrients can be dissolved in soil?
A
soil texture
B
soil structure
C
soil fertility
D
soil pH
5) Why does it take longer for Jupiter to orbit the sun than for the Earth?
A
Jupiter is farther from the sun than Earth
B
Jupiter drags many more moons along with it
C
Collisions with asteroids have slowed Jupiter's motion
D
Jupiter is larger than Earth
6) Smog is a type of air pollution traditionally defined as a combination of smoke and fog. When composed of particles that are too small to settle out, smog can be considered
A
a suspension
B
an element
C
a colloid
D
a compound
7) A beach, a cloud, and the air we breathe are examples of
A
distillation
B
physical properties
C
interactions of elements
D
mixtures occurring in nature
8) A change that affects the appearance or state of a substance, but not its identity is a
A
chemical change
B
physical change
C
reaction
D
reduction
9) Why do scientists compare fossils with living organisms?
A
to support the idea that organisms do not share ancestors
B
to support the idea that there are no new organisms to discover
C
to support the idea that organisms have changed over time
D
to support the idea that organisms do not change over time
10) What evidence do fossils provide scientists in relation to extinction?
A
plants and animals change in response to environmental changes
B
in spite of environmental changes, species remain the same
C
plants and animals have not changed for billions of years
D
Earth is unchanging and has remained the same for billions of years
*select an answer for all questions
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