Ecosystems
Which organism is a producer?
A. frog
B. mushroom
C. grass
D. lizard
C. grass
Matt is a tall, eleven-year-old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?
A. his height
B. his scar on his right cheek
C. his intelligence
D. his ability to play the drums
A. his height
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 conditions will this system most likely bring to the area?
A. stormy
B. sunny
C. snowy
D. hot
B. sunny
Which characteristic do single-celled organisms and multicellular organisms have in common?
A. Both have cells with specialized functions for each life process.
B. Both perform all life processes within one cell.
C. Both have a way to get rid of waste materials.
D. Both are able to make food from sunlight.
C. Both have a way to get rid of waste materials.
One morning, Jane notices drops of water on the outside of a window. Later in the day, she notices that the drops have disappeared. What most likely caused the drops to disappear?
A. The water condensed on the plants around the house.
B. Energy from the sun caused the water to evaporate.
C. The water cooled enough to turn into water vapor.
D. Wind blowing on the window turned the water into vapor.
B. Energy from the sun caused the water to evaporate.
Which is most responsible for recycling dead plants and animals in an ecosystem?
A. water
B. bacteria
C. fish
D. insects
B. bacteria
Which characteristic would a child not inherit from one or both of its parents?
A. freckles
B. hair style
C. eye color
D. dimples
B. hair style
Which best describes a characteristic of the jet stream?
A. It forms a boundary between a cold air mass and a warm air mass.
B. It creates the high winds around the eye of a hurricane.
C. It forces the hot air along the equator to rise to areas in North America.
D. It causes high pressure air masses to rotate clockwise.
A. It forms a boundary between a cold air mass and a warm air mass.
Which system of the human body provides protection to most of the major organs?
A. skeletal system
B. circulatory system
C. respiratory system
D. muscular system
A. skeletal system
As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?
A. tropical storms
B. increase in predators
C. habitat loss
D. warmer temperatures
C. habitat loss
How would the woodpecker population in a forest area most likely be affected if a housing development is built in that area?
A. They would produce more offspring.
B. They would change the color of their feathers.
C. They would experience a decrease in available food.
D. They would experience a decrease in competition
C. They would experience a decrease in available food.
A litter of kittens have traits that are similar to both the mother cat and the father cat. Which best explains this situation?
A. The kittens are provided the same kind of milk from their mother as they grow.
B. The kittens inherit some of their traits from their mother and some from their father.
C. The kittens are kept at the same temperatures by their mother when they are first born.
D. The kittens are taught by their parents to have similar traits.
B. The kittens inherit some of their traits from their mother and some from their father.
The weather forecast indicates that a warm front will be moving into the area in the next 24 hours. Which type of weather will most likely result?
A. clear skies and cold temperatures
B. clear skies and hot temperatures
C. cloudy skies and rainy weather
D. heavy snow and ice
C. cloudy skies and rainy weather
Which example best shows structures that make up the digestive system in the human body?
A. heart, blood, vessels
B. nose, trachea, lungs
C. brain, spinal cord, nerves
D. esophagus, stomach, intestines
D. esophagus, stomach, intestines
Why do dogs have most of the characteristics of their parents?
A. They inherit them from their parents.
B. They live in the same habitats as their parents.
C. They learn them by observing their parents.
D. They eat the same foods as their parents.
A. They inherit them from their parents.
In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?
A. The ecosystem will become overpopulated with snakes.
B. There will be a decrease in the population of snakes in the ecosystem.
C. The nutrition of the soil in the ecosystem will decrease.
D. More types of plants will begin growing in the ecosystem.
A. The ecosystem will become overpopulated with snakes.
Which are examples of inherited traits?
A. specific beliefs
B. fingerprints
C. memories
D. nose shape
D. nose shape
What will most likely result when the jet stream moves south of North Carolina?
A. North Carolina will experience tropical weather conditions.
B. North Carolina will experience hot, dry weather.
C. North Carolina will experience mild weather.
D. North Carolina will experience cold weather.
D. North Carolina will experience cold weather.
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
A. size of the cells of the organism
B. what the organism eats
C. how many types of cells are in the organism
D. how fast the organism grows
C. how many types of cells are in the organism
Which will most likely cause a decrease in predator populations?
A. an increase in prey populations
B. a decrease in prey populations
C. a decrease in decomposers
D. an increase in producers
B. a decrease in prey populations
Which is an example of a decomposer?
A. a hawk
B. a mouse
C. a flower
D. a mushroom
D. a mushroom
Which best explains why children resemble their parents?
A. They eat the same foods.
B. They have similar DNA.
C. They speak the same language.
D. They have the same interests.
B. They have similar DNA.
Who is the best 5th grade Science teacher ever in Room 508??
Ms. Schmidt
Which body system processes foods into a usable source of energy?
A. circulatory
B. digestive
C. nervous
D. skeletal
B. digestive
Which trait do children most likely inherit form their parents?
A. shape of earlobes
B. musical ability
C. personality
D. language
A. shape of earlobes