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PSSA Review Game #5

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.
You need to measure the mass of sugar in an experiment. Which instrument would you use?
a)
pan balance
b)
ruler
c)
graduated cylinder
d)
beaker
2.

Which event is shown in the diagram?

a)

uplift

b)

volcanic eruption

c)

erosion

d)

earthquake

3.

You state the hypothesis that pea plants grow taller in sandy soil. To test your hypothesis, you must conduct an experiment. Which pair of variables should both be kept constant during the experiment?

a)

type of soil and type of plant

b)

amount of water and amount of sunlight

c)

type of soil in height of plants

d)

it's type of soil and amount of sunlight

4.
Which energy resource does not produce harmful waste or pollution?
a)
oil
b)
coal
c)
solar energy
d)
nuclear energy
5.

The illustration shows a model of a human heart. Which subject would this model be most useful in studying?

a)

how the heart interacts with the brain

b)

different kinds of animal hearts

c)

how hard is changed over time

d)

parts of the human heart

6.

During a visit to the park, Robin smelled a variety of flowers. She became curious and asked a question, "Do roses smell better than petunias?" Which statement correctly describes Robins question?

a)

It is a good scientific question because of these precise.

b)

It is a poor scientific question because it is not precise and based on opinion.

c)

It is a good scientific question because it can be answered by taking measurements.

d)

It is a poor scientific question because it is compares flowers.

7.

The graph shows the population size of bacteria growing in a Petri dish during a 48-hour period. After about 30 hours, a change in the pattern of growth occurs (the line levels). What factor most likely caused this change?

a)

increasing the amount of food

b)

limited amount of sunlight

c)

limited amount of space

d)

introduction of a prey species

8.
White fur helps the Arctic hare blend into a snowy environment and avoid being eaten by predators. Which term best describes the feature of the Arctic hare?
a)
biotic factor
b)
acquired trait
c)
genetic mutation
d)
adaptation
9.

Which kind of pattern are the circular structures in the illustration an example of?

a)

annual pattern

b)

monthly pattern

c)

daily pattern

d)

hourly pattern

10.
Which statement describes why your body is a system?
a)
It needs food for energy.
b)
It uses oxygen and releases carbon dioxide.
c)
It has parts that work together.
d)
It can get certain diseases.
11.
Which impact results from open-pit mining?
a)
release of greenhouse gases
b)
ozone depletion
c)
removal of soil and vegetation
d)
oil spills
12.
Which of the following is the best example of a predator-prey relationship?
a)
lichens and trees
b)
deer and grass
c)
eagle and fish
d)
zebra and wildebeest
13.
You observe an area made up of very cold conditions with very little vegetation. Which biome are you most likely observing?
a)
tundra
b)
grasslands
c)
temperate deciduous forest
d)
tropical forest
14.
When one atom of sodium (Na) bonds with an atom of chlorine (Cl), sodium chloride (NaCl) forms. Which term describes chlorine in this chemical reaction?
a)
product
b)
reactant
c)
compound
d)
mixture
15.
Smog is a kind of air pollution. Using which example of technology helps the formation of smog?
a)
cameras
b)
computers
c)
telescopes
d)
cars
16.
Carl's oven is a system. When he turns on the oven and set the temperature, he adds information to the system. Which part of the system does turning on the oven and setting the temperature represent?
a)
output
b)
input
c)
feedback
d)
subsystem
17.
Which statement describes plants but not animals?
a)
They are multicellular organisms.
b)
They eat other organisms to obtain nutrients that store energy.
c)
They use light energy to carry out their life processes.
d)
The reproduce sexually.
18.
Which form of energy is the energy an object has because of its position or composition?
a)
potential energy
b)
light energy
c)
electrical energy
d)
kinetic energy
19.

The graph shows the data collected during an experiment in which the temperature and volume of an unknown gas were measured. Based on the data, which statement is correct?

a)

As the temperature increases, the volume of the gas decreases.

b)

As the temperature increases, the volume of the gas increases.

c)

The volume of the gas is not affected by the increase in temperature.

d)

The volume of gas is affected by temperature only if the gas is hydrogen.

20.
Which statement correctly describes how friction affects a soccer ball rolling across a field.
a)
It reduces the speed of the ball.
b)
It increases the speed of the ball.
c)
It does not change the ball's motion.
d)
It changes the ball's direction.
21.
The population density of dragonflies in a meadow gradually increased over one summer. What most likely caused this change?
a)
birds that eat dragonflies moving into the area
b)
birds that eat dragonflies moving out of the area
c)
decreasing resources of dragonflies need
d)
disaster such as a fire
22.
Which human activity do many scientists believed to have contributed to global warming?
a)
burning of fossil fuels
b)
overfishing
c)
pesticide use
d)
open pit mining
23.
Which example is the best thing to measure with a stopwatch?
a)
The distance between your house and school.
b)
The time it takes a toy car to roll down a small ramp.
c)
How many hours in eclipse last.
d)
How far a car can go on a gallon of gasoline.
24.

Which statement is an inference based on the two diagrams?

a)

Saturn is the only planet in the solar system with rings.

b)

Saturn is not the only planet in the solar system with rings.

c)

Saturn is more massive than Uranus.

d)

Saturn and Uranus are made up the exact same elements.

25.

Which statement describes the conservation of a non-renewable resource?

a)

decreasing water use

b)

clearing land for farming

c)

using oil wisely

d)

filtering air pollutants

26.
Which example is a development in technology to increase our knowledge about stars on other planets?
a)
invention of the telescope
b)
invention of the telephone
c)
discovery of the subatomic particles
d)
improvements made to the microscope
27.
Which statement describes how nonrenewable energy resources differ from renewable energy resources?
a)
Only a nonrenewable energy source can be replaced as quickly as it is used.
b)
Only a renewable energy source can be replaced as quickly as it is used.
c)
Only a nonrenewable energy source is inexpensive to use.
d)
Only a nonrenewable energy resource harms the environment.
28.
Which statement describes why a pond is a system?
a)
A pond is filled with water.
b)
Fish and frogs swim in a pond.
c)
In a pond, the fish and frogs eat the insects and plants.
d)
The water in the pond can be polluted by chemicals from farm fields nearby.
29.
Which statement correctly compares asteroids and planets?
a)
Both asteroids and planets revolve around the sun.
b)
Only planets revolve around the sun.
c)
Both asteroids and planets are large and gaseous.
d)
Only planets are found in our solar system.
30.

Which weather condition is shown in the diagram?

a)

sea breeze

b)

land breeze

c)

thunderstorm

d)

hurricane

31.
Which phrase represents a movement around the Sun that takes one Earth year?
a)
Moon's rotation
b)
Moon's revolution
c)
Earth's rotation
d)
Earth's revolution
32.

Elaine conducted a scientific investigation on how rocks form and change. She wrote a report summarizing our findings and included this diagram in her report. What does Elaine's diagram represent?

a)

rock cycle

b)

water cycle

c)

body cycle

d)

Earth's layers

33.

Which changes would cause the sediment shown in the diagram to become sedimentary rock?

a)

cooling and hardening

b)

heating and chemically changing

c)

burying and melting

d)

compacting and cementing

34.

Which process or processes does step 3 in Elaine's diagram illustrate?

a)

cementing and compacting

b)

chemically changing due to heat and pressure

c)

cooling and hardening

d)

breaking down of rock

35.

Which step in Elaine's diagram represents weathering?

a)

step 1

b)

step 2

c)

step 3

d)

step 4

36.
In the water cycle, water moves back and forth between Earth and the atmosphere. What step in the water cycle shows liquid water becoming water vapor?
a)
condensation
b)
evaporation
c)
transpiration
d)
precipitation
37.
What step in the water cycle shows water returning to the surface of the Earth as rain, snow, sleet, or hail?
a)
condensation
b)
evaporation
c)
transpiration
d)
precipitation
38.

What is the term for pollution mixing with rain water to produce a substance with a higher pH than pure water?

a)

acid mine drainage

b)

smog

c)

acid rain

d)

ozone depletion

39.
Which of the following is an example of nonpoint source water pollution?
a)
Chemicals leaking into a stream from a paper mill.
b)
An oil tank leaking into the ground.
c)
An unknown chemical found in a stream.
d)
Animal waste from a farm entering into a stream.
40.
Which of the following is the best example of a scientific question?
a)
Which tastes better- lemonade or ice tea?
b)
What is the stronger wood- ash or oak?
c)
What is the prettier wood- ash or oak?
d)
What is the most expensive brand of popcorn?

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