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Nature of Science PSSA prep Flashcards | StudBud
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Nature of Science PSSA prep
An example of a human-made system is
What does this model show?
Nature of Science PSSA prep
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#science #PSSA
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Answers
1
What does this model show?
Earth's reflection
a solar flair
summer and winter
day and night
2
An example of a human-made system is
an electrical circuit
the water cycle
a plant's root
a digestive tract
3
Katy sees the oceans and continents on a globe. What does a globe represent?
Earth
the Moon
an ecosystem
a map
4
Edgar recorded air temps for five days in PA. During which season did he make his observations?
spring
winter
summer
fall
5
William wants to observe the planets in the night sky. Which tool should he use?
an anemometer
a barometer
a telescope
a thermometer
6
Some toads lay eggs in puddles. If there is very little rain. What is most likely to happen?
The toads will be eaten by predators.
The toads will have more food to eat.
The toads will have fewer offspring.
The toads will lay their eggs on the ground.
7
This diagram is a model of our solar system. How many planets are orbiting the Sun?
four
nine
five
eight
8
Whic sentance is true about water?
It reproduces.
It is a nonliving thing.
It is a living thing.
It uses energy.
9
What will most likely happen to the foxes if the grass dies out?
The fox population will increase.
The rabbits will eat the foxes.
The foxes will find another source of food.
Nothing will happen.
10
Inez planted a seed in the shade, then moved it to the sun. What conclusion can she make?
This kind of plant grows well in sunlight.
The plant will grow to be 1 meter tall.
The plant prefers shade.
Plants take awhile to grow well.
11
What will happen if a plant is placed near a light source?
The plant will stop growing.
The plant will grow away from the light.
The plant will not move.
The plant will grow toward the light.
12
How does coal relate to the living parts of the environment?
Coal is not related to the living parts.
Coal provides the energy plants need to grow.
Coal is formed from living parts.
Coal gives nutrients to living things.
13
What effect does temperature have on the rate of water evaporation?
As temperature increases, evaporation increases
As temperature decreases, evaporation begins
As temperature increases, evaporation stops
As temperature decreases, evaporation increases
14
Pedro watched the Sun set. What will happen in about 12 hours?
The Sun will rise.
There will be a high tide.
Winter will begin.
The Moon will set
15
How has modern transportation had a negative effect on the environment?
caused global temperatures to fall
caused more air pollution
caused more forests to grow
caused mroe earthquakes to occur
16
A group of deer depends on a steady supply of food. What happens if the food supply decreases?
The deer will move to a cooler climate.
The deer will help each other find food.
The deer will compete for food.
The deer will eat meat.
17
What tool do you need to find the average change in temp. each day between 6 a.m. and 6 p.m.
a meter stick
a balance
a telescope
a thermometer
18
Which of the following is most likely to happen over the course of two weeks?
Erosion will cause a canyon to form.
A plant will grow 6 cm.
A person will grow 1 ft.
A frog's heart will beat three times.
19
What type of system forms coal?
a natural system
an extinct system
an alien system
a human-made system
20
Every 3 to 10 years, water near Peru is warmer than usual. How would we use this information?
to trace tides in the ocean
to predict changes in weather.
to measure changes in the water level
to estimate air pollution
21
In which of the following ways would a stopwatch be most helpful in a scientific experiment?
to describe a relative distance
to observe change in motion
to record change over time
to observe growth of a plant
22
Which object can be best observed with a microscope?
bacteria
a forest
an ocean
the Moon
23
If you use a basketball for the Sun and a tennis ball for Jupiter,what could be used for Earth?
a football
another basketball
a baseball
a marble
24
Molly wants to know if tomato plants grow better inside or in a garden. What is the variable?
type of plant
location
pressure
type of seed
25
Which of the following statements is a scientific fact? (use the graph)
Storm C lasted longer than storm D.
Storm D was scarier than storm B.
More rain fell during storm B than during storm D.
Less rain fell during storm C than during storm A.
26
Which of the following is an example of a living thing that breaks down organic material?
a fungus
a rock
soil
a seed
27
Gina is building a model of a human circulatory system. What should she use to show the heart?
a pump
a light bulb
a paper bag
a cotton ball
28
If you put 1 cup of frozen water and 1 cup unfrozen on a balance, what are you trying toanswer?
Does the temperature of water change if it is frozen?
Does the volume of water change if it is frozen?
Does the mass of water change if it is frozen?
Does the texture of water change if it is frozen?
29
What does this map show?
air pollution
precipitation
the seasons
air pressure
30
Chocolate is a popular ingredient in desserts. Where does chocolate come from?
It comes from cocoa beans grown on farms.
It comes from minerals dug up from the ground.
It comes from chocolate-producing cows.
It comes from specially processed sugar.
