Matter
Thermal Energy
Water Cycle
Climate & Weather
Ecosystems
100
A house made of toy blocks is weighed. It is taken apart and each block weighed separately. If the weight of all the blocks is added, what will it total?
A. A little less than the weight of the house.
B. The same as the house.
C. A little more than the weight of the house.
D. It would depend on how large the house was.
What is... the same as the house
100
Which of the following is the most important energy source for our planet?
A. Wind currents B. Heat
C. The sun D. Evaporation
What is... the sun
100
The process by which water fall from the clouds onto Earth's surface as rain, now, sleet, & hail.
What is... precipitation
100
Which is the best indicator that precipitation is on the way?
A. low pressure
B. low humidity
C. low temperature
What is... low pressure
100
All members of one of kind of organism living in the same area...
A. community
B. organism
C. population
D. biome
What is... population
200
5 grams of orange-drink mix is added to 100 grams of water. What would you expect the new solution to weigh?
A. 95 grams B. 100 grams
C. 105 grams D. 500 grams
What is... 105 grams
200
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
A. combustion B. convection
C. radiation D. conduction
What is... conduction
200
Which of the following clouds is known to bring "fair weather"?
A. cirrus B. cumulonimbus
C. stratus D. cumulus
What is... cumulus
200
A change in which weather condition would most likely result in a change in wind speed?
A. humidity
B. temperature
C. air pressure
What is... air pressure
200
Which ecosystem has many trees, shrubs, grasses and a variety of animals?
A. tundra B. wetland
C. grassland C. desert
What is... grassland
300
A student watches an ice cube melt into a puddle of water. Has a chemical reaction taken place?
A. Yes, a gas has been given off.
B. Yes, the color has changed.
C. No, water never reacts chemically.
D. No, no new substances have formed.
What is... No, no new substances have formed
300
People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire?
A The heat from the fire travels through the ground and heats the ground around the people.
B The heat from the fire is conducted through air molecules to the people.
C The heat from the fire rises in the air and then settles around the people.
D The heat from the fire radiates from the fire to the people.
What is... the heat from the fire radiates from the fire to the people
300
Which of the following relationships is most similar to the relationship below?
cloud : rain
A seed : plant
B mountain : valley
C earth : sky
D ocean : sea
What is... seed:plant
300
Mrs. McDowell’s class wanted to measure the humidity in the air. Which instrument and term would best describe how they would complete their task?
A. They would use a thermometer to measure how warm or cool the air is.
B. They would use a hygrometer to measure how much water vapor is in the air.
C. They would use a barometer to measure how heavy the air is.
D. They would use a magnet to see which direction the wind is blowing from.
What is... a hygrometer to measure how much water vapor is in the air
300
What is the role of a lion in a savanna food web?
A. producer
B. decomposer
C. consumer
D. scavenger
What is... consumer
400
A flower petal turning brown is an example of a physical or chemical change?
What is... a chemical change
400
When a bar of steel at 90°F is placed in a basin of water at 20°F,
A. the temperature of the steel increases and the temperature of the water decreases.
B. the temperature of the steel increases and the temperature of the water increases.
C. the temperature of the steel decreases and the temperature of the water increases.
D. the temperature of the steel decreases and the temperature of the water decreases.
What is... the temperature of the steel decreases and the temperature of the water increases.
400
Which stage does liquid water from the ocean turn into water vapor?
A. precipitation
B. evaporation
C. water cycle
D. condensation
What is... evaporation
400
The map below shows several major cities in North Carolina. During the winter, which city most likely has the warmest average temperature?
A. Charlotte B. Greensboro
C. Raleigh D. Wilmington
What is... Wilmington
400
Which resource do decomposers return to the environment?
A. light B. nutrients
C. oxygen D. water
What is... nutrients
500
Baking soda and vinegar are mixed in a bottle. A balloon placed over the top fills and expands with a gas. How do you know a chemical reaction has taken place?
A. A solid and a liquid have been mixed together.
B. A new substance has formed.
C. The balloon has stretched and changed shape.
D. The bottle has not changed.
What is... a new substance has formed
500
Materials that do not transfer energy easily
A. Conductors B. Heat
C. Metal D. Insulators
What is... insulators
500
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 to 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 ground.
What is... it turns to vapor and moves into the air.
500
In which direction do weather patterns move in the United States?
A. south to north
B. west to east
C. east to west
What is... west to east
500
Which is the best example of habitat reduction caused by humans?
A Birds and animals flee a forest fire caused by lightning.
B Birds become sick from eating insects new to their area.
C Fish swimming to breeding grounds are blocked by dams.
D A new species of fish migrates up a river, competing with native fish for food.
What is... fish swimming to breeding grounds are blocked by dams