Genetics
Ecosystems
Matter/Water Cycle
Heat and Energy Transfer
Weather
100
Jane wants to become a model like her mother. Which is a learned characteristic that could help her with modeling?
A. height
B. curly hair
C. blue eyes
D. good posture
D. good posture
100
Field mice eat corn. Which would most likely happen if the field mouse population grew?
A. There would be more corn to feed the field mice.
B. There would be less corn due to the mice eating it.
C. The habitat would get overpopulated because the mice would eat too much.
B. There would be less corn due to the mice eating it.
100
Which would most likely increase on a hot, sunny day?
A. runoff
B. condensation
C. transpiration
C. transpiration
100
Jackson likes to cook but is always in a hurry. He needs a pot that will cook his food quickly. Which is the best material for his cooking pot?
A. copper
B. glass
C. plastic
D. wood
A. copper
100
Which of these actions causes wind?
A. rotation of Earth on its axis
B. movement of air from water to land
C. uneven heating of Earth’s surface
D. air passing Earth as it revolves around the Sun
C. uneven heating of Earth’s surface
200
Wesley practices hitting and throwing daily to prepare for baseball try-outs. Why is he most likely disappointed to learn the coach is only taking the tallest and fastest players?
A. He cannot learn to throw farther.
B. He cannot learn to hit harder.
C. He cannot learn to run faster.
D. He cannot learn to be taller.
D. He cannot learn to be taller.
200
How are consumers and decomposers related?
A. Decomposers provide soil for consumers.
B. Consumers provide nutrients for decomposers.
C. Decomposers provide food for carnivorous consumers.
D. Consumers change the sun’s energy so it is useful for decomposers.
B. Consumers provide nutrients for decomposers.
200
Which is true of the following?
A. The change of liquid to a gas is precipitation, the change of a gas to a liquid is evaporation, and the falling of moisture from the sky is condensation.
B.The change of liquid to a gas is condensation, the change of a gas to a liquid is precipitation, and the falling of moisture from the sky is evaporation.
C. The change of liquid to a gas is evaporation, the change of a gas to a liquid is condensation, and the falling of moisture from the sky is precipitation.
C. The change of liquid to a gas is evaporation, the change of a gas to a liquid is condensation, and the falling of moisture from the sky is precipitation.
200
Which best explains why a blacksmith must heat iron before shaping it?
A. Heating iron makes it softer.
B. Heating iron makes it harder.
C. Heating iron changes its color.
D. Heating iron changes its texture.
A. Heating iron makes it softer.
200
The weather forecast indicates that a warm front will be moving into the area in the next 24 hours. Which type of weather will most likely result?
A. clear skies and cold temperatures
B. clear skies and hot temperatures
C. cloudy skies and rainy weather
D. heavy snow and ice
C. cloudy skies and rainy weather
300
Which best explains why children do not look identical to their mothers?
A. They inherit all of their characteristics from their fathers.
B. They inherit all of their characteristics from their grandparents.
C. They inherit some of their characteristics from their brothers and sisters.
D. They inherit some of their characteristics from their mother and some from their father.
D. They inherit some of their characteristics from their mother and some from their father.
300
Decaying plants and animals are important to an ecosystem because they ....
A. cause disease in living organisms.
B. reduce soil erosion.
C. recycle oxygen to the air.
D. are broken down by decomposers and return the nutrients to the soil.
D. are broken down by decomposers and return the nutrients to the soil.
300
The mass of a grape drink mixture is 150 grams. Kathy boils the mixture and notices that 50 grams of water has evaporated. Which will most likely be the result? .
A. The mass of the grape juice mixture will be 50 grams.
B. The mass of the grape juice mixture will be 100 grams.
C. The mass of the grape juice mixture will be 200 grams.
D. The mass of the grape juice mixture will remain 150 grams.
B. The mass of the grape juice mixture will be 100 grams.
300
A cooler made from which materials would be best to use to keep food cold?
A. plastic
B. paper
C. wood
A. plastic
300
Which is most likely to happen when a tropical storm moves from the coast of Africa toward the United States, and water temperatures increase?
A. The tropical storm will continue to move westward and decrease in strength.
B. The tropical storm will continue to move westward and increase in strength.
C. The tropical storm will change direction and begin to move eastward and decrease in strength.
D. The tropical storm will change direction and begin to move eastward and increase in strength.
B. The tropical storm will continue to move westward and increase in strength.
400
Steve’s class is visiting the zoo. He observes that the stripe patterns of two zebras are very different. Which most likely explains why the zebras have different stripe patterns?
A. The zebras eat different types of grass.
B. The zebras are active at different times in the day.
C. The zebras react to their habitat at the zoo in different ways.
D. The zebras are expressing the trait for stripe pattern in different ways.
D. The zebras are expressing the trait for stripe pattern in different ways.
400
Which group lists only decomposers?
A. tadpoles, frogs, and algae
B. detritus, crayfish, and turtles
C. bacteria, earthworms, and fungi
C. bacteria, earthworms, and fungi
400
Which is an example of a change that will produce a new substance?
A
A. piece of wood is burned and turns to ash.
B. A glass jar breaks into smaller shards of glass.
C. A puddle of water evaporates into water vapor.
D. A piece of paper gets wet and is shredded apart.
A. piece of wood is burned and turns to ash.
400
Which best explains why a refrigerator is usually not made completely out of metal?
A. Metal will not transfer heat, which allows the refrigerator to remain cool.
B. Metal easily transfers heat, which would warm the inside of the refrigerator.
C. Metal would heat up quickly on the outside, making the door too hot to touch.
D. Metal cools quickly, causing the refrigerator to be too cold and freeze the food inside.
B. Metal easily transfers heat, which would warm the inside of the refrigerator.
400
Which is most likely the location of the jet stream in autumn?
A. Canada
B. Mexico
C. the North Pole
D. the United States
D. the United States
500
Which physical characteristic of a puppy is MOSTlikely inherited from its parents?
A. coat color
B. desire to play fetch
C. body weight
D. ability to follow commands
A. coat color
500
Which of the following is true?
A. flowers are producers, mushrooms are decomposers, lions are consumers, and raccoons are scavengers
B. flowers are consumers, mushrooms are decomposers, lions are consumers, and raccoons are producers
C. flowers are producers, mushrooms are consumers, lions are decomposers, and raccoons are scavengers
D. flowers are producers, mushrooms are decomposers, lions are scavengers, and raccoons are consumers
A. flowers are producers, mushrooms are decomposers, lions are consumers, and raccoons are scavengers
500
Nick and Allison are conducting experiments in science class. In which experiment will the students most likely observe a new material being formed?
A. melting ice in containers at different temperatures
B. dissolving different amounts of salt into water
C. boiling the same amount of different liquids
D. burning different types of paper
D. burning different types of paper
500
Which of the following is true to describe the way heat transfers?
A. Touching a stove is radiation, the sun shining is conduction, and a heater blowing is convection
B. Touching a stove is conduction, the sun shining is radiation, and a heater blowing is convection
C. Touching a stove is convection, the sun shining is conduction, and a heater blowing is radiation
B. Touching a stove is conduction, the sun shining is radiation, and a heater blowing is convection
500
Why do most weather systems in the United States move from west to east?
A. The West Coast is at a higher elevation than the East Coast, and weather systems go downhill.
B. Prevailing winds carry weather systems to the east across most of the United States.
C. The West Coast is warmer, and weather systems move from warmer to colder places.
D. Mountain ranges prevent the movement of weather systems from east to west.
B. Prevailing winds carry weather systems to the east across most of the United States.