Quiz about Countdown to Fsa Science Review

Question 1

A student reads the list above. She wants to add wind as a natural resource. To what side of the list should wind be added and why?

Accepted Answer

Renewable Resources; it cannot be used up

Answer

Renewable Resources; it is always moving

Answer

Nonrenewable Resources; it cannot form naturally

Answer

Nonrenewable Resources; it is difficult to form naturally

Question 2

One of the most important reasons that people use Earth's resources is for energy. Which resource do you predict would take the longest amount of time to form?

Accepted Answer

coal

Answer

sunlight

Answer

water

Answer

wood

Question 3

A student reads through the chart to identify natural resources found in Florida. Which Florida natural resource is renewable?

Accepted Answer

wood

Answer

oil

Answer

coal

Answer

limestone

Question 4

What process is taking place in the diagram?

Accepted Answer

Temperature changes are causing the rock to weather.

Answer

Erosion is causing temperature changes in the rock.

Answer

Weathering is causing sedimentary rock to form.

Answer

Erosion is causing metamorphic rock to form.

Question 5

Based on the diagram above, which is the most likely location for the rock?

Accepted Answer

a snowy mountain top

Answer

a grassy savannah

Answer

a tropical island

Answer

a hot desert

Question 6

Gravity plays a major role in reshaping the surface of Earth through erosion. It pulls material downward after it has eroded from larger rock. Sometimes it causes erosion by itself. Which of the following results from erosion is due only to gravity?

Accepted Answer

a landslide

Answer

a cave

Answer

a valley

Answer

a canyon

Question 7

Which statement describes the energy transformation happening in the images?

Accepted Answer

Electrical energy is changed into light energy.

Answer

Heat energy is changed into sound energy.

Answer

Light energy is changed into electrical energy.

Answer

Sound energy is changed into energy of motion.

Question 8

Compare a battery-powered flashlight to the image above. What energy transformation must take place in the flashlight that does NOT take place in the device in the image?

Accepted Answer

Chemical energy must be transformed into electrical energy.

Answer

Light energy must be transformed into heat energy.

Answer

Energy of motion must be transformed into light energy.

Answer

Electrical energy must be transformed into energy of motion.

Question 9

Stars are objects in space that produce their own heat and light. Where would the greatest number of stars be found?

Accepted Answer

in a galaxy

Answer

in a solar system

Answer

in an asteroid belt

Answer

in a meteor shower

Question 10

Denise wants to know which time of day is the warmest. She creates a chart to record the time and temperature at various times over several days. Which of the following best describes why Denise should keep detailed notes from her experiment?

Accepted Answer

to allow someone to do the same investigation and check the accuracy of results

Answer

to prevent other from doing the same investigation

Answer

to prevent others from making mistakes when doing the investigations

Answer

to allow someone to practice note-taking skills when doing science investigations

Question 11

Astronomers have developed a scale to make it easier to compare the brightness of different stars. Susie is comparing two stars. Which of the following is the most likely reason for why one star appears brighter than the other?

Accepted Answer

The stars release different amounts of light.

Answer

The stars are made of different gases.

Answer

The stars are part of galaxies that are expanding.

Answer

The stars move different distances as they revolve.

Question 12

Regina is going to dissolve a teaspoon of sugar in a cup of hot tea. What could Regina do to dissolve the sugar more quickly?

Accepted Answer

Stir the tea vigorously.

Answer

Add ice to the cup.

Answer

Add more sugar to the tea.

Answer

Put the tea and sugar in a larger cup.

Question 13

Sarai noticed that when she breathed on a cold mirror, the glass fogged up. Which of the following best explains why this happened?

Accepted Answer

Cooling caused a physical change, which caused Sarai's breath to condense on the mirror

Answer

Sarai's breath caused a physical change, which froze the mirror.

Answer

Sarai's breath cooled the mirror and caused a chemical change, which produced a white substance.

Answer

Cooling caused a chemical change, which turned oxygen from Sarai's breath to water on the mirror

Question 14

Earth's water constantly cycles between Earth's surface, the atmosphere, and living things. The water you drink could be the same water the dinosaurs drank. Which of the following factors has the greatest effect on the water cycle?

Accepted Answer

heat energy

Answer

friction

Answer

fossil fuels

Answer

animal populations

Question 15

Which of the following happens just before the runoff in the picture above?

Accepted Answer

precipitation

Answer

condensation

Answer

evaporation

Answer

respiration

Question 16

When the water vapor in clouds condenses, it causes precipitation. The type of precipitation that falls depends on the temperature. Which of the following will most likely occur if the temperature in a cloud is -5 degrees Celsius (23 degrees Fahrenheit) and the air between the cloud and the ground is very cold?

Accepted Answer

snow

Answer

dew

Answer

hail

Answer

rain

Question 17

A musician is playing a guitar. As he plucks the strings, he can feel the guitar vibrating. What type of energy causes this vibration?

Accepted Answer

sound

Answer

heat

Answer

electrical

Answer

chemical

Question 18

All living things use energy. What kind of energy does a plant use to make its food?

Accepted Answer

light

Answer

electrical

Answer

magnetic

Answer

mechanical

Question 19

Which of the following correctly shows the energy transformation that occurs in the circuit?

Accepted Answer

chemical to electrical to mechanical

Answer

chemical to electrical

Answer

electrical to mechanical

Answer

electrical to mechanical to chemical

Question 20

Alea learned in science class that one form of energy can be changed into other forms of energy. In which of the following situations does electrical energy become light and heat energy?

Accepted Answer

a lightbulb is turned on

Answer

the Sun rises

Answer

a candle is lit

Answer

charcoal burns

Question 21

A recycling station accidentally mixed together hundreds of glass jars with hundreds of steel cans. Which of the following is the easiest way to separate the cans from the jars?

Accepted Answer

Use a large magnet to separate the cans and jars

Answer

Use acid to dissolve the cans and jars.

Answer

Sort the cans and jars by weight and shape.

Answer

Heat the mixture of cans and jars until they melt.

Question 22

Kevin is investigating different physical and chemical changes. He applies heat to an ice cube and observes the changes of state. In what order will the changes of state occur?

Accepted Answer

solid to liquid to gas

Answer

solid to liquid to solid

Answer

solid to gas to liquid

Answer

solid to gas to solid

Question 23

A scientist wants to test how long it takes for fallen rainwater to evaporate. Where should the scientist perform the test?

Accepted Answer

at a location that can be easily observed and where water pools instead of flows down

Answer

at the coolest location to keep the water cool

Answer

at the location closest to a natural water source

Answer

at the mountain's steepest angle where water flows down quickly

Question 24

Which property of C differs from A and B?

Accepted Answer

C has a definite shape, while A and B take the shape of their containers

Answer

C has a definite color, while A and B are usually colorless

Answer

C has a volume that can be measured, while A and B lack a definite volume

Answer

C has a mass of more than 50g, while A and B will always be less than that.

Question 25

Based on their properties, which other materials would fit into the same category as B?

Accepted Answer

freshwater, apple juice, rain

Answer

air, helium. basketball

Answer

pencil, pencil sharpener, lake

Answer

large rock, ocean water, lettuce

Question 26

Object C is a solid at 0 degrees Celsius (32 degrees F). If Object C is ice, how does its temperature compare to the temperature of objects A and B?

Accepted Answer

It will be less than objects A and B.

Answer

It will be the same as objects A and B.

Answer

It will be greater than objects A and B.

Answer

It will be less than object B, but greater than object A.

Question 27

What would be the BEST method to remove the iron from the mixture?

Accepted Answer

use a magnet to remove the filings

Answer

use tweezers to pick each filing out

Answer

let the water evaporate to leave the filings behind

Answer

pour the mixture through a strainer to remove the filings.

Question 28

Juanita carefully poured the liquid into another beaker thought a filter placed in a funnel. What was the purpose of using the filter?

Accepted Answer

to separate the sand from the mixture

Answer

to remove the sugar from the water

Answer

to locate any iron filings that were missed

Answer

to find any particles of undissolved sugar

Question 29

Juanita's teacher has asked her to add another material that will dissolve in water into her beaker of sugar water. Which material should she add and how could she get it to dissolve quickly?

Accepted Answer

She should add salt and increase the temperature of the water

Answer

She should add stones and stir the mixture with a metal spoon

Answer

She should add oil and place the water outside in the sun

Answer

She should add sand and place ice cubes in the water

Question 30

Santiago brought in an item to demonstrate two types of energy. What two forms of energy is he demonstrating for the class?

Accepted Answer

sound and mechanical

Answer

electrical and light

Answer

mechanical and electrical

Answer

heat and electrical

Question 31

Hail forms when warm air rising carried particles and clouds up past the freezing level, and layers of ice form on the particles. When the particles become too heavy, they fall as hail. Sleet forms when snow that has fallen from a cloud starts to melt, but then refreezes when it passes through a layer of cold air. What season is it if it is sleeting outside?

Accepted Answer

Winter because sleet is made from snow, which forms when it is cold

Answer

Winter because ice will only form when it is very cold outside

Answer

Summer because the ice is very small and melted

Answer

Summer because hail is made from particles carried by warm air

Question 32

Students make a mixture of pebbles, salt, and iron shavings as shown. Which procedure could they use to separate the parts of this mixture?

Accepted Answer

Use a sieve to separate the pebbles and a magnet to separate the iron shavings from the salt.

Answer

Use water to dissolve both the salt and iron shavings, and use a sieve to separate the pebbles.

Answer

Add water and let it evaporate to remove the iron shavings, then use a filter to separate the pebbles and salt.

Answer

Add heat to the mixture to melt the salt, then use a magnet to separate the iron shavings from the pebbles.

Question 33

Air feels humid when it holds a lot of evaporated water in it. Swamps are areas of land that are saturated with water, and many mountains have rivers and streams on them. Why are most swamps humid, but MOST mountains are not?

Accepted Answer

Mountains are too cool, because they are higher in elevation.

Answer

Mountains are too dry, because their many tall trees block rainfall.

Answer

Mountains are too hot, because their soil retains warmth from the Sun.

Answer

Mountains are too windy, because they are taller than their surroundings.

Question 34

Water changes between states naturally throughout the water cycle. What is the next step the water in this image takes in the cycle?

Accepted Answer

Freezing into ice or evaporating into vapor.

Answer

Condensing into clouds or filtering into streams

Answer

Flowing into runoff or melting into groundwater

Answer

Precipitating into rain or running into the ocean

Question 35

A student places a piece of chocolate, a piece of sugar-free butterscotch, and a pebble on the sidewalk and counts how many ants are attracted to each over ten minutes. The student does this for five days, and records the information in the following table. Why is it important that the student includes a pebble in the test?

Accepted Answer

Control groups help determine if results are random

Answer

Replication shows that results are reliable

Answer

Multiple trials increase the reliability of the results

Answer

Repetition ensures consistency of results

Question 36

How will this circuit need to be changed so that currents can flow from the battery to light the bulb?

Accepted Answer

Close the switch

Answer

Add one more battery

Answer

Increase the amount of wire used

Answer

Place the bulb closer to the battery

Question 37

Marnie finds a mineral and wants to test its properties. She scratches it with an iron nail. Which property of the mineral will Marnie be able to identify using this test?

Accepted Answer

hardness

Answer

cleavage

Answer

luster

Answer

streak

Question 38

Dylan wants to group the minerals in his collection based on their luster. Which of the following categories could he use?

Accepted Answer

Metallic Nonmetallic

Answer

Hard Soft

Answer

Black White

Answer

Fracture Cleavage

Question 39

Molly has a rock collection. She has descriptions of each of her rocks. Rock 1 is made of molten rock. Rock 2 is formed by heat and pressure and Rock 3 formed from particles that settle to form layers. How should she label the rocks?

Accepted Answer

Rock 1 is igneous, Rock 2 is metamorphic, and Rock 3 is sedimentary

Answer

Rock 1 is metamorphic, Rock 2 is sedimentary, and Rock 3 is igneous

Answer

Rock 1 is igneous, Rock 2 is sedimentary, and Rock 3 is metamorphic

Answer

Rock 1 is metamorphic , Rock 2 is igneous, and Rock 3 is sedimentary

Question 40

How does sunlight affect how the moon indicated by the arrow appears from Earth?

Accepted Answer

The entire side of the moon facing Earth is lit up by the Sun

Answer

Earth blocks the sunlight so the moon appears dark.

Answer

The Sun lights up some of the moon making it look crescent shaped

Answer

Half of the moon appears to be lit by sunlight while the other half is dark

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