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 and eventually stop.
What ocean current is most responsible for warmer weather along the North Carolina coast?
the Gulf Stream
After water vapor cools and forms clouds, what happens next in the water cycle?
precipitation
Maya adds 6 grams of sugar to a bottle containing 14 grams of warm water. What is the total weight of the sugar and water?
20 grams
DOUBLE POINTS
How does the sun warm sand at the beach? What type of heat transfer is it using?
through radiation
A cold front will move through Raleigh late Wednesday afternoon. Which type of weather conditions will Raleigh most likely experience during that time?
warmer temperatures Tuesday, stormy weather late Wednesday, and cooler temperatures on Thursday
DOUBLE POINTS
What do the skeletal and circulatory systems both make?
They help the body produce new blood.
What type of organism is bacteria, since it carries out all of life’s functions by itself?
by performing all processes in one cell (unicellular)
A rabbit depends on various plants in an ecosystem to survive. Which would most likely happen if a drought decreased the plant population?
The rabbit population would decrease.
What is the difference between single-celled organisms’ and multicellular organisms’ ability to survive?
Multicellular organisms contain many specialized cells necessary for survival, while single-celled organisms can survive alone.
QUADRUPLE POINTS
On a hot summer day, cumulus clouds grow taller and darker. Which type of weather will most likely occur?
a thunderstorm
Why are pots used for cooking made of metal?
Metal is an excellent conductor of heat.
Chris noticed a high-pressure system in the weather forecast for Monday and Tuesday. Which type of weather conditions are most likely for those two days?
clear and sunny
For which function do the respiratory and muscular systems need to work together?
Pumping oxygen through your body/releasing carbon dioxide
Which ecosystem is sometimes referred to as a frozen desert?
the tundra
What type of heat transfer occurs when you boil water?
Convection
Why are animals like deer, raccoons, bears, and coyotes sometimes seen in neighborhoods and not out in the wild?
because their habitats are decreasing
Name three organs in the digestive system.
Mouth, esophagus, stomach, large and small intestines....
In which ecosystem can you find a mix of salt water and freshwater?
estuaries
What do muscular and digestive systems work together to do?
Both help the body digest food.
TRIPLE POINTS
Which conditions are needed for a hurricane to form?
warm, moist air rising over warm areas in the ocean
Elsa is making a grilled ham-and-cheese sandwich. She uses a 20-gram slice of cheese, 40 grams of sliced ham, and two 15-gram slices of bread. After she heats the sandwich on a griddle, the cheese is melted. What will be the mass of her sandwich?
90 grams
Explain why a metal ice cream scoop works more efficiently than a plastic ice cream scoop when dipped in warm water prior to scooping the ice cream?
The metal heats more quickly than the plastic.
TRIPLE POINTS
Put these levels of cellular organization in order from smallest to largest:
organ
cell
tissue
organ/body system
cell, tissue, organ, organ system
TRIPLE POINTS
John pushed two identical toy cars across the same flat smooth floor. Why did both cars travel the same distance?
because he applied the same force to each of the two cars