Water Cycle
Which of the following is an example of runoff?
A) Water flowing down a mountainside
B) Lake water evaporating during a drought
C) Ground water being absorbed by the roots of a tree
D) Water evaporation to form clouds
A) Water flowing down a mountainside
A substance which takes the shape of its container as has a definite volume is a:
A) Solid
B) Liquid
C) Gas
D) Crystal
B) Liquid
A weather forecaster is giving the news report and says that the air pressure is dropping. What tool did they use to get this data?
A) Anemometer
B) Wind Vane
C) Barometer
D) Thermometer
C) Barometer
What causes a wagon to speed up when going down hill?
A) Gravity
B) Friction
C) Air Pressure
D) Mass
A) Gravity
True or False: Land heats up faster than water.
True
After a rain, there is a puddle left on the sidewalk. After a sunny day, the puddle is gone. Which process is most responsible for this?
A) Condensation
B) Transpiration
C) Evaporation
D) Runoff
C) Evaporation
Which material is best used to cook food on the stove?
A) Foam, because it is a poor conductor of heat
B) Paper, because it conducts heat
C) Glass, because it is a good conductor of heat
D) Metal, because it radiates heat
D) Metal, because it radiates heat
Andrea lives in the southern hemisphere. What season does she most likely experience in August?
A) Spring
B) Summer
C) Winter
D) Autumn
C) Winter
Two students are having a race, one has a wooden ball and the other has a marble. The balls are traveling down the same ramp. Which factor is the best indicator to know which one will be the fastest?
A) The size of the ball
B) The amount of force applied to the ball
C) Total time the ball rolled
D) Mass of the ball
D) Mass of the ball
If the mass of a container of liquid ice cream is 200 grams, how many grams will the same container of ice cream be after the ice cream solidifies?
A) 80 grams
B) 300 grams
C) 200 grams
D) It’s impossible to know
C) 200 grams
When swimmers get out of the pool and sit in the sun, their wet skin dries quickly. What happens to the water?
A) It turns into vapor and moves into the air
B) It is pulled up into the sun by gravity
C) It condenses and moves to plants and trees
D) It becomes part of the water in the group
A) It turns into vapor and moves into the air
If 15 grams of water are added to 10 grams of salt, how much salt water will be made?
A) 10 grams
B) 5 grams
C) 25 grams
D) 15 grams
D)15 grams
On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather condition will this system most likely bring to the area?
A) Stormy
B) Sunny
C) Snowy
D) Hot
B) Sunny
Which best explains why a bicycle slows down when its brakes are applied?
A) The brakes heat the rubber on the bicycle tires
B) The brakes add energy to the bicycle
C) The brakes increase the force of gravity on the bicycle
D) The brakes cause frictional forces on the wheels of the bicycle
D) The brakes cause frictional forces on the wheels of the bicycle
A wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon?
A) It would cause the wagon to move faster
B) It would cause the wagon to change mass
C) It would cause the wagon to change direction
D) It would cause the wagon to slow down
D) It would cause the wagon to slow down
In which way are evaporation and condensation similar?
A) Both cause decreases in air temperature
B) Both cause increases in air temperature
C) Both are caused by the warming of the atmosphere
D) Both are cause by changes in heat energy
D) Both are cause by changes in heat energy
Ines put baking soda in a pot with boiling water. The baking soda slowly disappeared as she stirred. Which process occurred to make the baking soda disappear?
A) Chemical change
B) Physical change
C) Radiation
D) Convection
B) Physical change
What is the difference between weather and climate?
A) Weather describes seasons; climate describes daily temperature
B) Weather is daily conditions; climate is the average over a long period of time
C) Weather happens in winter; climate happens in summer
D) Weather is caused by the ocean; climate is caused by land
B) Weather is daily conditions; climate is the average over a long period of time
A runner measured the time it took her to run 5 miles. What can she calculate from the distance and time measurements?
A) Direction
B) Mass
C) Speed
D) Force
C) Speed
How does wind form?
A) Wind forms when Earth spins and pushes the air around
B) Wind forms when air moves from areas of high pressure to areas of low pressure due to uneven heating by the Sun
C) Wind forms when clouds fall from the sky and push air downward
D) Wind forms when the ocean splashes water into the air and makes it move
B) Wind forms when air moves from areas of high pressure to areas of low pressure due to uneven heating by the Sun
In Durham County last Wednesday, there was a large amount of flooding. What likely happened?
A) Low runoff, low evaporation, high transpiration
B) High runoff, low evaporation, low precipitation
C) Low runoff, high infiltration, high condensation
D) High runoff, low evaporation, high precipitation
D) High runoff, low evaporation, high precipitation
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
A) The mass of the balloon increases because the size of the balloon increased
B) The mass of the balloon increases because the temperature of the balloon has increased
C) The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up
D) The mass of the balloon stays the same because warming decreases the mass enough to cancel out the effect of increasing the size
C) The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up
Why does a low-pressure system often bring stormy weather?
A) Air moves downward and warms, causing clouds to disappear
B) Warm air rises then cools, causing water vapor to condense into clouds and precipitation
C) Cold, dense air spreads outward, leading to more cloud formation
D) Strong pressure squeezes moisture out of the air
B) Warm air rises then cools, causing water vapor to condense into clouds and precipitation
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
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 liquid, and then to the spoon
D) Heat energy transfers from the hot liquid, to the cup, and then to the spoon
B) Heat energy transfers from the hot tea to the spoon