The scales of fish and the feathers of birds are both made from the same protein called keratin. What is another characteristic birds and most fish share?

Both are animals that lay eggs.

Both are animals that have teeth.

Both are animals that are cold-blooded.

Both are animals that care for their young.

In the 1800s, the US military used horses to transport weapons and supplies through the American West. The dry, hot weather was difficult on the horses, and the terrain lacked the grass that horses fed on. In 1836, a US Army explorer recommended to the military that camels should be used instead. Why would camels be better to use than horses?

Camels are adapted to live in a hot, dry climate.

Camels are native to the American West.

Camels are cheaper to use and eat less food.

Camels are easier to train and can carry more equipment.

In the savannahs in Africa, elephants and giraffes both use acacia trees for food. What impact would removing these large animals from the savannah most likely have on the surroundings?

The trees would begin to take over and there would be less grass.

The population of acacia trees would decrease.

The population of smaller animals would take over because there would be no predators.

The large animals in other areas would migrate to the area and eat all of the trees on the savannah.

Summer is investigating to find out if bean plants grow taller in ordinary topsoil or special potting soil over a three week period. She sets up her investigation with 10 bean plants of equal size in each type of soil. What should Summer do each day to make sure she gets valid results?

Calculate the average plant height for each soil type.

Water only the plants in special potting soil.

Move the plants in ordinary topsoil to different locations.

Estimate the height of each plant's stem and record the estimate.

Ryan wanted to find out which of his toy cars, the Corvette or the Mustang, would roll downhill faster. He made a ramp by putting several books under one end of a board so that the board was slanted. Which would be the best way for him to perform his experiment?

Roll both cars down the ramp together five times and record which car gets to the bottom first each time.

Roll each car down the ramp separately five times and estimate which car looked faster.

Roll both cars down the ramp together one time and see which one gets to the bottom first.

Roll each car down the ramp separately one time, and time them with the second hand on his watch.

Which of the following must be true for scientific results to be valid?

The results should be based on evidence.

The results should be drawn in a graph.

The results should support the ideas of other scientists.

The results should match the predictions of the scientist.

Scientists conduct investigations. Which of the following defines the work of a scientist who is conducting an investigation?

answering questions about the natural world

including opinions in the results

becoming famous for work that is done

following a very specific scientific method

If Maria wants to have the best chance of blowing out all of the birthday candles on her birthday cake, she should bend down close to the candles, take a deep breath, make a small opening with her lips and then push her breath out. Which of the following explains why this is the best way to blow out the candles?

It makes the air come out with enough force to blow out the candle flames.

It keeps the air she breathed in cool enough to put out the candle flames.

The air forms a blanket over the candles and pushes the candle flames down.

The air spins around when it comes out and hits all the candle flames this way.

Todd can throw a baseball from the outfield all the way back to home plate. Why does he have t o move his arm in order to make the ball fly all that way?

He has to transfer some of his muscle's energy to the ball to make it move.

He has to get the ball high enough in the air so the air can support it.

The ball's energy can only be released if he lets it go above the ground.

Moving his arm makes the ball's own energy take it in the right direction.

Jennifer is getting ready for school on a cold day in February. She wants to make sure her hair is completely dry before she leaves her house. She plugs her hair dryer into the wall outlet and turns it on. Which of the following describes one of the steps involved in using energy to dry Jennifer's hair?

Electrical energy is changed into mechanical energy, which makes the motor in the hair dryer move.

Thermal energy is changed into mechanical energy, which makes the motor in the hair dryer move.

Electrical energy is changed into heat energy, which makes the motor in the hair dryer move.

Mechanical energy is changed into heat energy, which makes the motor in the hair dryer move.

Heat can flow back and forth between objects. Which of the following determines the direction heat will flow?

from warmer objects to cooler objects

from larger objects to smaller objects

from more dense objects to less dense objects

Megan wants to determine if an electrical circuit has electricity flowing through it. Which of the following evidence is proof that the circuit has an electrical current?

A light bulb is lit in the circuit.

The switch in the circuit is in the closed position.

Wires in the circuit are made of conducting material.

Heat energy is important to many processes that occur on Earth. Which of the following statements about heat energy is true?

Heat transfer can cause materials to change temperature.

Heat transfers from colder to warmer objects.

Heat is attracted to liquids less often than solids.

Heat is attracted to solid objects more than gases.

Aaron is playing with a soccer ball at the top of a hill. Aaron kicks the ball and it rolls down the hill. Which of the following best describes what happens as the ball rolls?

The force of gravity pulls the ball downhill.

The force of friction causes the ball to roll faster down the hill.

The force of gravity is balanced by air resistance acting on the ball.

The force of friction is greater than the force of gravity acting on the ball.

Because the force of gravity is so strong, it appears to attract all objects equally, regardless of mass. Which of the following is illustrated by this idea?

A bowling ball and a peanut will fall to the ground at the same rate when someone drops them.

Earth orbits the sun in the same amount of time it takes the moon to orbit Earth.

A rubber ball will bounce much higher than a wooden ball, even if they weigh the same.

Magnets can both repel and attract each other, depending on how they come into contact.

Neil Armstrong was one of the first men to walk on the moon. Which of the following best explains why Mr. Armstrong is able to jump higher on the moon than he can on Earth?

The gravitational pull is less on the moon than on Earth.

There is no gravity on the moon.

Everything has less mass on the moon.

There is more energy for jumping on the moon.

David and Peter were moving a bookshelf across the carpet in their classroom. Even though they pushed as hard as they could, the bookshelf would only move a few inches at a time. Which of the following best explains what happened as they tried to push the bookshelf?

The force of friction opposed the motion of the bookshelf.

The force of gravity opposed the motion of the bookshelf.

When they tried to push the bookshelf, air resistance acted against them.

When they pushed the bookshelf, the bookshelf pushed back with an equal and opposite force.

Will and Tammy are moving a dresser. They are arguing about which direction to move it. While Will is pushing the dresser with a force of 5 Newtons (N) towards Tammy, Tammy is pushing the dresser towards Will with a force of 10 Newtons (N). What happens to the dresser?

The dresser moves towards Will.

The dresser moves towards Tammy.

The dresser does not move in either direction.

The dresser moves back and forth between the two.

Darryl pushes on two different boxes. Box 1 has a greater mass than Box 2. Which of the following statements is true?

Less force is required to move Box 2 than Box 1.

Equal force is needed to move the boxes.

Both boxes will accelerate at the same rate.

Less force is required to move Box 1 than Box 2.

Maritza found two sea shells when she went to the beach. They appear to be almost the same size, but they have different shapes. How could she determine if their volume is the same?

Drop each one in a beaker of water to see which raises the water level the most.

Weigh each one on a scale to see which is heaviest.

Fill each one with water to see which will hold the most.

Measure the length of each one with a measuring tape to see which is longest.

Rebecca and Summer are making peanut butter sandwiches. They learned at school that a substance may be a solid, a liquid, or a gas. Rebecca thinks the peanut butter is a solid, but Summer thinks it is a liquid. What would be the best way to test it to see if it is a liquid?

Heat it to see if it gets softer.

See if its volume increases in the freezer.

Press it to try to make it take up less space.

Laisha has a container that holds thousands of mixed glass beads and iron beads of different shapes and sizes. Which of the following is the best way to separate them?

The iron beads are magnetic so she could separate the glass from the iron with a strong magnet.

The glass beads will float so she could add water to the container and the glass will float to the top.

The iron beads might be heavier so she could shake the container until the iron beads settle to the bottom.

The glass beads are larger so she could pour the beads through a strainer and the iron beads will separate.

R.J. wants to mail a breakable birthday present to his friend. He has some crumpled newspaper and some crumpled tissue paper that he could use as packing material. Either one of them would protect his present from breaking. He needs to figure out which type of packing material will weigh less, since the amount of postage he has to pay is based on how much his package weighs. What would be the best way for him to figure out which one to use?

Pack the box with crumpled newspaper and weigh it, then pack it with crumpled tissue paper, and see which weighs more.

Weigh a newspaper, weigh a package of tissue paper, and see which weighs more.

Weigh a crumpled piece of newspaper, weigh a crumpled piece of tissue paper, and see which weighs more.

Put ten pieces of crumpled newspaper in the box and weigh it, repeat with ten pieces of crumpled tissue paper, and see which weighs more.

Roger uses sugar cubes to sweeten his tea. He wonders whether stirring his tea will make the sugar cube dissolve faster or slower. If Roger stirs his tea, what effect does it have on the rate at which the sugar cube dissolves?

F. The rate that the sugar cube dissolves will speed up.

The rate that the sugar cube dissolves will slow down.

The rate that the sugar cube dissolves will remain the same.

The rate that the sugar cube dissolves will slow down and then stop.

Juan has filled four buckets with dark, muddy water. One bucket has been frozen, one bucket has been boiled, one bucket has been shaken, and one bucket has been passed through a paper filter. Which bucket of water is most likely to become lighter in color?

The filtered bucket because some of the particles of dirt will strain out.

The frozen bucket because the mud separates from the water.

The shaken bucket because shaking causes the mud to dissolve.

The boiled bucket because the dirt in the muddy water evaporates.

Imagine a thick ten-kilogram block of soap and a thin ten-kilogram sheet of the same kind of soap. Which of the following correctly explains which will dissolve first when they are both placed underwater?

The sheet will dissolve first because it has more surface area.

The sheet will dissolve first because it has less mass than the block.

The block and the sheet will dissolve at the same rate because they weigh the same.

The block and the sheet will dissolve at the same rate because they take up the same space.

Tonya fills a bucket to the top with water and then place the bucket outside in freezing weather. Which of the following describes what will happen when the water in the bucket freezes?

The sides of the bucket will be pushed out and the level of the water will be above the rim of the bucket.

The level of the water and the bucket itself will not be changed by becoming frozen.

The level of the water will be lower once it is frozen and the molecules are more compact.

The level of the water will be uneven once it is frozen because some of the water will remain as a liquid in the bucket.

Joy is helping to prepare a large meal for a family gathering. After cooking for several hours, she notices the windows inside the kitchen are covered in moisture. Which of the following is an explanation of how this could happen?

Evaporated moisture in the air condenses on the windows.

Temperatures inside and outside the house are the same causing evaporation on the windows.

Too many people in a house cause water to form condensation on the windows.

Heating up the house makes moisture evaporate from the windows.

A compost pile is made up of vegetable scraps, grass clippings, and other yard waste. With the help of bacteria that break down matter, the plant material slowly becomes smaller particles that help the soil. Which of the following would slow down the process of breaking down plant material in a compost pile?

lowering the surrounding temperature

compacting the material into a smaller space

turning the pile over to introduce more oxygen

introducing worms or other creatures to the pile

FCAT Science Review

Other Sciences, Chemistry, Physics

5th - 8th Grade

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42 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cinthia decided to find out if it was worth spending the money to buy bags of potting soil sold at the store. She bought one bag of potting soil and some bean seeds. At home she put potting soil in ten pots and soil she dug up from her yard in ten other pots. She planted one bean seed in each pot. After one week, all twenty seeds had sprouted and all the seedlings had two leaves. She concluded that her soil was just as good as potting soil. What would be the best thing for Cinthia to do next?

Repeat the experiment to see if she gets the same results.

Mix the potting soil with her soil and see how seeds grow in it.

Begin watering some of the plants twice as much in each group.

Let the plants grow in different soil types to see if they remain healthy.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gabriel notices that when he looks at the stars at night, some appear to be brighter than other stars. Which three factors affect how bright a star appears to an observer on Earth?

the star's energy, size, and temperature

the star's color, size, and distance from Earth

the star's size, temperature, and distance from Earth

the star's movement, distance from Earth, and gravity

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Howard and his friends were talking about what it would be like if they could go live on Mars someday. Summer said it would be much colder there than on Earth and it would hardly ever get above freezing, even in summer. Gabriel said there would be time periods on Mars like there are on Earth. What else might they experience if they ever went to live on Mars?

A year on Mars would last almost as long as two Earth years.

Water would run in the canals on Mars on only the warmest days.

They would see four big moons and several smaller ones at night on Mars.

They could breathe the air since Mars and Earth have similar atmospheres.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alan puts some ice in a cup and poured some cold tea over the ice. He sets the filled cup on the kitchen table. In a few minutes, he notices that there are drops of water all over the outside of the cup. Where do the drops of water most likely come from?

They evaporate out of the air above the cold liquid.

They condense out of the air surrounding the cold cup.

They drip off the ice cubes as he puts them into the cup.

They come off his hands after holding the melting ice cubes.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cloud formation sometimes signals severe weather may be approaching. Which type of cloud is associated with thunderstorms?

stratus

cumulus

cumulonimbus

cirrus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the weather gets colder, the air pressure usually goes up. Why does this happen?

Cold weather causes Earth to cool, and the heat that leaves Earth pushes against the air
causing the pressure to increase.

Colder weather makes the air denser, and the increased weight of the air means that
there is more air pressure.

When the weather is colder, the clouds weigh more as ice begins to form causing air
pressure to increase.

As the temperature drops, the air takes up more space and presses down harder on
Earth.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pancreas is an organ that plays an important role in the human body. What is the function of the pancreas?

mixing blood and oxygen

removing excess fluids from the body

storing large quantities of blood, minerals, and vitamins

helping with digestion by providing enzymes to process sugars

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FCAT Science Review

Gabriel notices that when he looks at the stars at night, some appear to be brighter than other stars. Which three factors affect how bright a star appears to an observer on Earth?

Alan puts some ice in a cup and poured some cold tea over the ice. He sets the filled cup on the kitchen table. In a few minutes, he notices that there are drops of water all over the outside of the cup. Where do the drops of water most likely come from?

Cloud formation sometimes signals severe weather may be approaching. Which type of cloud is associated with thunderstorms?

As the weather gets colder, the air pressure usually goes up. Why does this happen?

The pancreas is an organ that plays an important role in the human body. What is the function of the pancreas?

Nutrients are vital to the health of all organs in the human body. What organ processes most of the nutrients taken in by the human body?

The scales of fish and the feathers of birds are both made from the same protein calledkeratin. What is another characteristic birds and most fish share?

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Popular Resources on Wayground

Discover more resources for Other Sciences

The scales of fish and the feathers of birds are both made from the same protein called
keratin. What is another characteristic birds and most fish share?