Energy Conservation & Transfer
Which is the BEST example of the transfer of heat by radiation?
A. Water boiling
B. ice melting
C. a hot air balloon rising
D. a lightbulb glowing
D. A lightbulb glowing
In North Carolina, the wind is blowing from the north. If the wind changes direction and begins to blow from the south, what will most likely result?
A. the temperatures will increase
B. the temperatures will decrease
C. the air pressure will increase
D. the wind speeds will decrease
A. The temperature will increase
A mouse eats seeds and insects. Which best describes the role of the mouse?
A. consumer
B. decomposer
C. herbivore
D. producer
A. consumer
In what way are insects and humans similar?
A. both are single-celled organisms
B. both are multicellular organisms
C. both have cells that capture sunlight to make food
D. both have cells that carry out all life functions
B. both are multicellular organisms
Which is a trait children most likely inherit from their parents?
A. favorite color
B. food preference
C. freckles
D. weightC. freckles
A. by trapping water particles in the clouds
B. by turning liquid water into water vapor
C. by causing water to precipitate
D. by creating wind in the atmosphere
B. by turning liquid water into water vapor
A ball is kicked and rolls along a level field until it comes to a stop. What is most responsible for the ball coming to a stop?
A. air
B. gravity
C. mass
D. friction
Jason fills a glass container completely with water and screws the lid on tightly. He places the container in a freezer. Which will MOST LIKELY result?
A. the container will prevent the water from freezing
B. the water will freeze and take up less space in the container
C. the water in the container will expand when it freezes and cause the container to crack
D. the container will absorb heat from the water
C. the water in the container will expand when it freezes and cause the container to crack
Which best explains why a storm that affects an area in the western United States may affect an area in the eastern United States a few days later?
A. the jet streams winds blow storms from east to west
B. the jet stream winds blow storms from west to east
C. cool Gulf Stream water causes storms to form in the east
D. warm Gulf Stream water causes storms to form in the west
B. the jet stream winds blow storms from west to east
What would most likely result if all plants in an area were destroyed?
A. consumers populations would increase because more sunlight would reach the ground
B. decomposer population would increase because more sunlight would reach the ground
C. consumer populations would decrease because plants provide them with water
D. consumer populations would decrease because plants provide them with energy
Which human body systems are located throughout most of the body?
A. digestive and respiratory
B. skeletal and respiratory
C. nervous and circulatory
D. respiratory and circulatory
C. nervous and circulatory
Some people have a "hitchhiker's" thumb that allows them to bend their thumbs more than other people. How do these people most likely get this trait?
A. they learn it from friends
B. they inherit it from their parents
C. they get it as a result of an illness
D. they get it as a result of their jobs
Two liquids are poured together, and a solid substance forms with no liquid remaining. Liquid 1 has a mass of 200 grams, and liquid 2 has a mass of 100 grams. What would be the total mass of the solid substance formed?
A. 100 grams
B. 150 grams
C. 250 grams
D. 300 grams
D. 300 grams
A. Yes, it can, because the car does not have friction acting on it
B. Yes, it can, because the car travels a distance in a certain amount of time
C. No, it cannot, because speed can only be measured if the car is moving forward
D. No, it cannot, because the distance traveled backward by a car cannot be measured
B. yes, it can, because the car travels a distance in a a certain amount of time
Stirring a cup of hot tea causes a metal spoon to get warm. Which statement BEST explains why the spoon gets warm?
A. heat energy transfers from the metal spoon to the hot liquid
B. heat energy transfers from the hot tea to the spoon
C. heat energy transfers from the air to the hot liquid, and then to the spoon
D. heat energy transfers from the hot liquid in the cup, and then to the spoon
B. heat energy transfers from the hot tea to the spoon
One morning, a student notices that the grass in the area is wet, although it had not rained during the night. What could have caused the grass to be set?
A. during the night, water had evaporated from the trees in the area
B. the air above the ground became warmer during the night and caused precipitation
C. when the air cooled above ground during the night, water vapor condensed on the grass
D. the grass soaked up water from the ground during the night
C. when the air cooled above ground during the night, water vapor condensed on the grass
What would most likely happen if all of the decomposers in an ecosystem were removed?
A. the animals in the ecosystem would die because of the spread of disease
B. the plants in the ecosystem would eventually die because of a lack of nutrients in the soil
C. the plants in the ecosystem would begin to die out because of a decrease in available water
D. the animals in the ecosystem would eat other types of food because of a decrease in producers
B. the plants in the ecosystem would eventually die because of a lack of nutrients in the soil
Which statement best describes the relationship between the nervous system and the muscular system?
A. the nervous system controls the muscular system
B. the muscular system controls the nervous system
C. the nervous system provides nutrients and oxygen for the muscular system
D. the muscular system provides nutrients and oxygen for the nervous system
Which characteristic is the best example of an inherited trait?
A. short hair
B. eye color
C. pierced ears
D. long fingernails
B. eye color
Which is the best example of a new substance forming?
A. lighting a match
B. cutting a piece of paper
C. popping a balloon
D. hitting a nail with a hammer
Scientists discover an asteroid that is moving through space. What information is needed to determine the average speed of the asteroid?
A. the mass and size of the asteroid
B. the distance there asteroid is from Earth
C. the direction the asteroid is moving and its distance from Earth
D. how far the asteroid has moved in 24 hours
D. How far the asteroid has moved in 24 hours
Which material is best used to keep cold drinks from getting warm too quickly?
A. glass, because it is a good conductor of heat
B. foam, because it is a poor conductor of heat
C. metal, because it radiates heat
D. paper, because it conducts heat
B. foam, because it is a poor conductor of heat
When the sun warms water, which resulting process occurs
A. precipitation
B. runoff
C. evaporation
D. condensation
C. evaporation
This is a food chain that includes grass, a grasshopper, and a bird
grass->grasshopper->bird
How is the grass in this food chain best described?
A. it is a producer, because it makes its own food
B. it is a producer, because it is eaten by consumers
C. it is a consumer, because it gets energy from producers
D. it is a decomposer, because it breaks down sunlightWhich statement best explains how a bacterial cell is capable of surviving as aa single-celled organism?
A. it is able to create new cells more slowly than other kinds of cells
B. it is large enough to capture the food it needs for growth
C. it is so small, it can survive in almost any place
D. it has the ability to carry out all of its life functions
D. it has the ability to carry out all of its life functions
Which is an example of a non-inherited trait?
A. shape of face
B. hair color
C. food preferences
D. tongue rolling
C. food preferences
Water droplets forming on the outside of a cold glass of water on a a hot, summer day is an example of which part of the water cycle?
A. condensation
B. evaporation
C. precipitation
D. transpiration
A. condensation
What causes a wagon to speed up when going down a hill?
A. gravity
B. friction
C. air pressure
D. mass
A. gravity
Why are liquids sometimes used in a thermometer?
A. because most liquids condense when heated and evaporate when cooled
B. because most liquids melt when heated and freeze when cold
C. because most liquids contract when heated and expand when cooled
D. because most liquids expand when heated and contract when cooled
D. because most liquids expand when heated and contract when cooled
Which best describes the cause of day-to-day weather changes?
A. the rotation of Earth
B. the size of Earth
C. moving air masses
D. action of the winds
C. moving air masses
Which would most likely cause a decrease in a population of herbivores?
A. an increase in the number of producers
B. a decrease in the types of decomposers
C. an increase in the types of plants
D. an increase in the number of carnivores
D. an increase in the number of carnivores
Which instrument is best used to predict weather changes?
A. a hygrometer
B. an anemometer
C. a thermometer
D. a barometer
D. a barometer
Which of these traits is most influenced by a person's environment?
A. ability to roll the tongue
B. blood type
C. weight
D. eye color
Students observed a piece of iron change from shiny to rusty. What caused this change?
A. a chemical reaction
B. a heat reaction
C. a cold reaction
D. a physical reaction
A. a chemical reaction
A bowling ball moves across a flat surface at 7 feet per second. If a student is asked to calculate the total distance traveled by the ball, what other information does the student need to know?
A. amount of friction between the ball and the surface
B. amount of force applied to the ball
C. total time the ball rolled
D. mass of the ball
C. total time the ball rolled