Column 1
A wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon?
It would cause the wagon to slow down.
What is most responsible for a change in seasons?
the tilt of Earth on its axis
How does a storm that affects an area in the western United States also affect an area in the eastern United States a few days later?
The jet stream winds blow storms from east to west.
What will be most affected if the decomposers in an ecosystem are removed?
the quality of soil
A runner measured the time it took him to run 5 km. What can he calculate from the distance & time measurements?
speed
What type of animal usually eats both producers and consumers?
an omnivore
What is the relationship between the respiratory system and the circulatory system?
The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.
What classification best describes herbivores?
consumers
Why does a bicycle slow down when its brakes are applied?
The brakes cause frictional forces on the wheels of the bicycle.
What is the best example of the transfer of heat by radiation?
a lightbulb glowing
What is a characteristic of most single-celled organisms?
They perform all life processes.
What is an example of a trait that is inherited?
dimples
When the sun warms water, which resulting process occurs?
evaporation
Jason fills a glass container completely with water and screws the lid on tightly. He places the container in a freezer. What will most likely result?
The water in the container will expand when it freezes and cause the container to crack.
In what way are the digestive and circulatory systems alike?
Both absorb gases or nutrients into the body.
A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?
A mutation occurred during the development of this one rabbit.
Students observed a piece of iron change from shiny to rusty. What caused this change?
a chemical reaction
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?
The temperatures will increase.
How do multicellular organisms survive?
The cells have different functions, and together they are essential for the survival of the organism.
What has the greatest effect on the amount of salt in a salt marsh?
the closeness of the marsh to the ocean