Which orgamism is a producer?
(A.) frog
(B.) mushroom
(C.) grass
(D.) Lizard
Grass
100
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
His height
100
On a cold cloudy day, the local weather forcaster 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
Sunny
100
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
Both have a way to get rid of waste materials.
100
A pencil falls off a desk. What moves the pencil toward the floor?
(A.)mass
(B.)friction
(C.)gravity
(D.)speed
Gravity
200
Which is MOST responsible for recycling dead plants and animals in an ecosystem?
(A.)water
(B.)bacteria
(C.)fish
(D.)insects
Bacteria
200
Which character would a child NOT inherit from one or both of its parents?
(A.)freckles
(B.)Hair style
(C.)eye color
(D.)dimples
Hair style
200
Which BEST describes a characteristic of the jet stream?
(A.)If forms a boundry 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.)Is causes high pressure air masses to rotate clockwise.
It forms a boundary between a cold air mass and a warm air mass
200
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
Skeletal system
200
A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is the MOST responsible for causing the wagon to stop?
(A.)gravity acting on the wagon
(B.)friction acting on the wagon
(C.)the mass of the wagon
(D.)the mass of the child
friction acting on the wagon
300
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.
They would experience a decrease in available food.
300
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.
The kittens inherit some of their traits from their mother and some of their father.
300
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
Cloudy skies and rainy weather
300
What 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
esophagus, stomach, intestines
300
What must occur before clouds can form?
(A.)water vapor must get warmer
(B.)Water vapor must lose hear energy
(C.)Precipitation must begin to fall and runoff.
(D.)Transpiration must add water vapor to the atmosphere
Water vapor must lose hear energy
400
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.
The ecosystem will become overpopulated with snakes.
400
Which are examples of inherited traits?
(A.)Specific beliefs
(B.)fingerprints
(C.)memories
(D.)nose shape
nose shape
400
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?
(A.)the gulf stream
(B.)the jet stream
(C.)La Nina
(D.)El Nino
El Nino
400
A scientist is trying to decide whether an organisim 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
How many types of cells are in the organism
400
Which process allows green plants to control the amount of water stored in their leaves?
(A.)photosynthesis
(B.)condensation
(C.)respiration
(D.)transpiration
transpiration
500
Which is an example of a decomposer?
(A.) a hawk
(B.) a mouse
(C.) a flower
(D.) a mushroom
a mushroom
500
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 interest
They have similar DNA
500
What will NOST 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 mimld weather
(D.)North Carolina will experience cold weather.
North Carolina will experience cold weather.
500
Which body system processes food into a useable source of energy?
(A.)circulatory
(B.)digestive
(C.)nervous
(D.)skeletal
Nervous
500
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 plant around the house
(B.)Energy from the sunb caused the water to evaporate.
(C.)The water coolded enough to turn into water vapor.
(D.)Wind blowing on the window turned the water into vapor
Energy from the sunb caused the water to evaporate.