Which statement correctly describes a Kingdom of Domain Eukarya?

Fungi includes organism who get energy from decompose matter

Which list identifies the levels of classification in the correct order from top to bottom?

Domain,Kingdom, Phylum, Class, order, Family, Genus, Species

When white light shines on Peter's shirt, the shirt looks blue. Why does the shirt look blue?

It reflects the blue part of the light and absorbs the rest.

What statement describes how recycling aluminum cans positively affects the environment?

Recycling conserves mineral resources

Whenever scientists carefully measure any quantity many times, they expect that

Most measurements will be close but not exactly the same.

Which is the best environment for organisms that decompose dead organic matter?

A slow-moving river with a wide, open channel

Which statement explains a long-term health effect of vaccinating people for a disease?

The risk of contracting the disease would be reduced.

Which of the following describes one way scientists use seismographs?

To help determine the composition of Earth's interior.

Which statement describes two factors that have the greatest influence on tides?

Earth's daily rotation & the Moon's gravity

Which statement best describes a dominant gene?

It is the gene that masks a recessive gene.

The process in which cells divide & form 2 identical cells

Tom listed the levels of structural organization from small to large, which is correct?

Cells, Tissues, Organs, Organ system

How is cellular respiration DIFFERENT from photosynthesis?

Photosynthesis produces O2; Cell Respiration produces CO2

To find out whether seeds grow better in the light or dark, you could put them in pots and..

keep one group in a light place and another in a dark place

Which questions about a river can best be answered through scientific inquiry?

How many species of fishes are present in this river?

What is a difference between eukaryotic and prokaryotic cells?

Only eukaryotic cells have membrane-bound organelles

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Science PSSA Prep

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Questions 30

Answers

1
Which statement correctly describes a Kingdom of Domain Eukarya?
Animal includes multicell organisms that make its own food
Plant includes multicell organisms that move independently
Protists includes single-celled organisms that lack nuclei
Fungi includes organism who get energy from decompose matter
2
How do heterotrophs compare to autotrophs?
autotrophs derive their food from other animals
2 answers are correct
Autotrophs make their own food
heterotrophs get their food from other sources
3
Which list identifies the levels of classification in the correct order from top to bottom?
Genus,Species, Phylum, Class, Order, Family, Domain, Kingdom
Domain,Kingdom, Genus, Species, Phylum, Class, Order, Family
Domain,Kingdom, Phylum, Class, order, Family, Genus, Species
Genus,Species, Domain, Kingdom, Phylum, Class, Order, Family
4
Which is an example of a chemical reaction?
The melting of ice
The burning of wood
The grinding of salt crystals to a powder
Evaporation of water from a puddle
5
When white light shines on Peter's shirt, the shirt looks blue. Why does the shirt look blue?
It gives off its own blue light.
It absorbs only the blue part of the light.
It absorbs all the white light.
It reflects the blue part of the light and absorbs the rest.
6
When a glass jar is placed over a lighted candle, the flame goes out. Why does this happen?
it gets too hot in the glass
the oxygen will be used up
the glass makes it cold
carbon dioxide is trapped in the glass
7
Which of the following pairs of parts would you find in both eukaryotic & prokaryotic cells?
Cell membrane & Cytoplasm
Cytoplasm & Nucleus
Cell membrane & Membrane-bound organelles
DNA & Membrane-bound organelles
8
How can a barometer help a student make weather predictions?
It measures temperature changes.
It measures pressure changes.
It measures cloud precipitation.
It measures wind speed.
9
What statement describes how recycling aluminum cans positively affects the environment?
Recycling produces air pollution
Recycling uses energy
Recycling conserves mineral resources
Recycling makes solid waste
10
Which of the following is NOT a non-renewable resource?
coal
wind
oil
natural gas
11
Whenever scientists carefully measure any quantity many times, they expect that
Only two of the measurements will be exactly the same.
Most measurements will be close but not exactly the same.
All of the measurements will be exactly the same.
All but one of the measurements will be exactly the same.
12
Which is the best environment for organisms that decompose dead organic matter?
A shallow river with cold clear water and a sandy bottom
A slow-moving river with a wide, open channel
A rapidly moving stream with a narrow, steep channel
A steep mountain stream that flows when snow melts.
13
Which statement explains a long-term health effect of vaccinating people for a disease?
Vaccinated individuals would be carriers of the disease.
The risk of contracting the disease would be reduced.
The disease would be completely eliminated.
Body cells would mutate to produce a new disease strain.
14
A characteristic of a substance that is observed without changing the actual substance is a
chemical reaction
physical property
physical model
chemical property
15
Which of the following describes one way scientists use seismographs?
To measure the masses of objects
To view distant stars and planets
To help determine the composition of Earth's interior.
To help record atmospheric pressure changes
16
Which statement does not describe the outer planets of our solar system?
They are composed of of gases such as hydrogen and helium.
They all do not have moons.
They are much larger than the inner planets.
They all have rings.
17
Which statement describes two factors that have the greatest influence on tides?
Earth's yearly revolution & the Earth's gravity
Earth's daily rotation & the Moon's gravity
Earth's daily rotation & the Sun's gravity
Earth's yearly revolution & the Moon's gravity
18
Which statement best describes a dominant gene?
It is the gene that masks a recessive gene.
It is the gene that is masked by a recessive gene.
It is the gene that produces mutations.
It is the gene that produces desirable traits.
19
The pathway through which electric current flows?
conductor
current
insulator
circuit
20
What is mitosis?
The process which cells use O2 to produce energy from food
The process in which cells divide & form 2 identical cells
The process in which sex cells divide to form 4 cells
The process by which plants make their own food
21
In the water cycle, what generally supplies the energy for evaporation?
radiation from the sun
condensation
osmosis
runoff from rain and melted snow
22
Rusting is a form of
mass movement
deposition
chemical weathering
mechanical weathering
23
Which physical process causes clouds to form from water vapor in the air?
Evaporation
Condensation
Sublimation
Distillation
24
Tom listed the levels of structural organization from small to large, which is correct?
Cells, Tissues, Organs, Organ system
Tissues, Cells, Organs, Organ system
Cell, Tissue, Organ system, Organ
Tissues, Cells, Organ system, Organ
25
Compared to an animal cell what structure is only found in a plant cell?
cell membrane
nucleus
cell wall
mitochondria
26
How is cellular respiration DIFFERENT from photosynthesis?
Photosynthesis requires O2; Cell Respiration requires CO2
Photosynthesis requires energy from food, CR from the sun
Photosynthesis produces ATP, Cell Respiration produces sugar
Photosynthesis produces O2; Cell Respiration produces CO2
27
To find out whether seeds grow better in the light or dark, you could put them in pots and..
keep one group in a light place and another in a dark place
keep them in a warm, light place
put them in a light or dark place that is cool
keep them in a warm, dark place
28
Which questions about a river can best be answered through scientific inquiry?
How much money should be spent to manage this river?
How many species of fishes are present in this river?
Will this river be a fun place to visit?
Will fishing be popular on this river in five years?
29
Which energy source has the greatest impact on Earth's living environments?
Moving water
geothermal
The sun
Moving air
30
What is a difference between eukaryotic and prokaryotic cells?
Only eukaryotic cells have a cell membrane
Only prokaryotic cells have cytoplasm
Only prokaryotic cells have genetic material
Only eukaryotic cells have membrane-bound organelles

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