Weather
Ecosystems
Genetics
Body Systems
Force and Motion
100

After lake water flows through a dam, which processes are most responsible for helping replace the water in the lake? 

A precipitation and runoff 

B transpiration and condensation 

C condensation and runoff 

D transpiration and precipitation

A precipitation and runoff

100

What would most likely happen if all of the decomposers in an ecosystem were removed? 

A The animals in the ecosystem would die because of the spread of disease. 

B The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.

C The plants in the ecosystem would begin to die out because of a decrease in available water. 

D The animals in the ecosystem would eat other types of food because of a decrease in producers.

B The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.

100

Which is an example of a noninherited trait?

A shape of face 

B hair color 

C food preference 

D tongue rolling

C food preference

100

Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism?

A It is able to create new cells more slowly than other kinds of cells. 

B It is large enough to capture the food it needs for growth. 

C It is so small, it can survive in almost any place. 

D It has the ability to carry out all of its life functions.

D It has the ability to carry out all of its life functions.

100

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.

200

Which is most responsible for the movement of weather systems across the United States? 

A the Gulf Stream 

B the prevailing westerlies 

C the southeast trade winds 

D the jet stream

B the prevailing westerlies

200

A mouse eats seeds and insects. Which best describes the role of the mouse? 

A consumer 

B decomposer 

C herbivore 

D producer

A consumer

200

Which is most likely the reason parents and their children have similar physical traits?

A They live in the same home. 

B They have similar genetic structures.

C They are born in similar environments. 

D They have similar blood types.

B They have similar genetic structures.

200

In what way are the circulatory system and the nervous system similar?

A They both perform the same function. 

B They are both structural systems. 

C They are both transport systems. 

D They both involve the same organs.

C They are both transport systems

200

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.

The brakes cause frictional forces on the wheels of the bicycle.

300

How do plants return water back into the environment?

Transpiration

300

Which would most likely cause a decrease in a population of herbivores? 

A an increase in the number of producers 

B a decrease in the types of decomposers 

C an increase in the types of plants 

D an increase in the number of carnivores

D an increase in the number of carnivores

300

Which is a trait children most likely inherit from their parents? 

A favorite color 

B food preference 

C freckles 

D weight

C freckles

300

Which system in the human body includes the heart, blood, arteries, and veins?

A cardiovascular 

B digestive 

C muscular 

D respiratory

A cardiovascular

300

A ball is kicked and rolls along a level field until it comes to a stop. What is most responsible for the ball coming to a stop?

Friction

400

Water droplets forming on the outside of a cold glass of water on a hot, summer day is an example of which part of the water cycle?

Condensation

400

What will be most affected if the decomposers in an ecosystem are removed? 

A the spread of disease 

B the availability of water 

C the quality of soil 

D the distribution of organisms

C the quality of soil

400

Some people have a “hitchhiker’s” thumb that allows them to bend their thumbs more than other people. How do these people most likely get this trait? 

A They learn it from friends. 

B They inherit it from their parents.

C They get it as a result of an illness. 

D They get it as a result of their jobs.

B They inherit it from their parents.

400

In what way are insects and humans similar?

A Both are single-celled organisms. 

B Both are multicellular organisms. 

C Both have cells that capture sunlight to make food.

 D Both have cells that carry out all life functions.

B Both are multicellular organisms

400

If a car is moving backward along a road, can its speed be measured?

Yes, it can, because the car travels a distance in a certain amount of time.

500

How does the energy from the sun influence the water cycle? 

A by trapping water particles in clouds 

B by turning liquid water into water vapor

C by causing water to precipitate 

D by creating winds in the atmosphere

B by turning liquid water into water vapor

500

Which has the greatest effect on the amount of salt in a salt marsh? 

A the number of animals living in the marsh 

B the closeness of the marsh to the ocean

C the depth of the water in the marsh 

D the temperature of the water in the marsh

B the closeness of the marsh to the ocean

500

Name three inherited traits.

Ms. De Gourville will decide if you are correct

500

What is the relationship between the respiratory system and the circulatory system?

A The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.

B The respiratory system exchanges oxygen and carbon monoxide with the circulatory system. 

C The respiratory system exchanges oxygen and sugar with the circulatory system.

 D The respiratory system exchanges oxygen and nitrogen with the circulatory system.

A The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.

500

Scientists discover an asteroid that is moving through space. What information is needed to determine the average speed of the asteroid?

A the mass and size of the asteroid 

B the distance the asteroid is from Earth 

C the direction the asteroid is moving and its distance from Earth 

D how far the asteroid has moved in 24 hours

D how far the asteroid has moved in 24 hours

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