On a hot, humid day Max noticed water droplets had formed on the outside of his bedroom window. What caused water droplets to form on the window?
A. condensation
B. evaporation
C. precipitation
D. transpiration
A. condensation
Which is an example of an inherited trait?
A. favorite food
B. reading fast
C. language
D. being right or left handed
D. being right or left handed
Which example would most likely suggest a new substance was formed?
A. a substance changing shape when bent
B. a substance changing color after dye was added
C. a substance giving off bubbles without being heated
D. a substance going from solid to liquid when heat was added
C. a substance giving off bubbles without being heated
How is a hawk classified?
A scavenger
B decomposer
C producer
D consumer
D. Consumer
Describe the organizational structure of humans?
Cells make up tissues.
Tissues make up organs.
Organs make up systems.
What role does the sun’s energy play in the process of transpiration in plants?
A The sun’s energy causes the moisture in plants to evaporate.
B The sun’s energy causes the moisture in plants to drip off the leaves.
C The sun’s energy causes the moisture in plants to return to the ground.
D The sun’s energy causes the moisture in plants to stay in the leaves until it rains.
A The sun’s energy causes the moisture in plants to evaporate.
Which is a learned characteristic?
A. being tall
B. having dimples
C. having poor vision
D. playing an instrument
D. playing an instrument
Why are some materials considered to be good conductors of heat?
A because they can quickly transfer heat
B because they easily bend when heated
C because they absorb heat without touching an object
D because they require a great amount of heat to me
A because they can quickly transfer heat
Which is a producer in a forest ecosystem?
A. bacteria
B. moss
C. worm
D. beetle
What do the digestive system and circulatory system of the human body have in common?
A They work together to help give the body the ability to speak, smell, and breathe.
B They work together to give cells the nutrients needed to produce energy.
C They work together to reduce waste and keep the body clean.
D They work together to pump blood throughout the body
B They work together to give cells the nutrients needed to produce energy.
On a warm winter day in North Carolina, the wind is blowing steadily from the south. The wind is supposed to change direction the next day and begin blowing from the north. Which prediction about the weather can be made, based on this information?
A No precipitation will form.
B More clouds will form.
C Temperatures will be cooler.
D Temperatures will be warmer.
C Temperatures will be cooler.
Alyssa is in the sixth grade. She and her mom share the same hair and eye color. They are planning a trip to Mexico. Alyssa’s mom can speak Spanish but Alyssa cannot. Why is Alyssa unable to speak Spanish?
A Alyssa’s mom inherited the ability to speak Spanish, but Alyssa did not.
B Alyssa only inherited the ability to speak English from her mom.
C Alyssa cannot learn to speak Spanish because she is too young.
D Alyssa’s mom learned to speak Spanish, but Alyssa did not.
D Alyssa’s mom learned to speak Spanish, but Alyssa did not.
What happens to the speed of an object when the position does not change over a period of time?
A. speed increases
B. speed decreases
C. speed remains zero
D. speed changes uniformly
C. speed remains zero
What is one way lakes and ponds are different?
A Ponds are usually more shallow.
B Ponds contain brackish water.
C Ponds have more animal life.
D Ponds have larger wave
A Ponds are usually more shallow.
Which major respiratory organ does the skeletal system protect?
A.heart
B.lungs
C.esophagus
D.spinal cord
b. Lungs
A meteorologist reads a barometer at 9:00 a.m. He reads it again in the afternoon and notices a significant drop in pressure. Which choice describes the most likely weather in the evening for that location?
A. It will be a sunny, clear evening.
B. It will be a hot and humid evening.
C. There will be many storms.
D. There will be a light breeze.
C. There will be many storms.
Olivia has curly hair and enjoys playing sports. Which is a true statement?
A. Both characteristics were learned from her parents.
B. Both characteristics were inherited from her parents.
C. Curly hair was inherited and sports ability was learned.
D. Sports ability was inherited and curly hair was learned.
C. Curly hair was inherited and sports ability was learned.
Jordan collects some gold, white, and red rocks into a bucket. Then, he shakes the bucket so that the rocks are mixed. Jordan claims the rock mixture is a new substance. Why is Jordan’s claim incorrect?
A because some of the rocks might have changed shape
B because the rocks made noise as he shook the bucket
C because he could separate individual rocks from the mixture
D because the mixture is only made of solids
C because he could separate individual rocks from the mixture
What will most likely happen to the squirrel population in an area if the trees are removed?
A The squirrel population in the area will not change.
B The squirrel population will move to another area.
C The squirrel population will increase because of an increase in predators.
D The squirrel population will decrease because of a decrease in predators.
B The squirrel population will move to another area.
How do the digestive and circulatory systems differ in how they help the body obtain nutrients?
A The digestive system breaks down food into red blood cells, and the circulatory system carries these red blood cells throughout the body.
B The digestive system breaks down food into usable nutrients, and the circulatory system carries these nutrients throughout the body.
C The digestive system breaks down food, and the circulatory system moves the food from the stomach to the large intestines.
D The digestive system mixes food with water, and the circulatory system moves the mixture through the intestines
B The digestive system breaks down food into usable nutrients, and the circulatory system carries these nutrients throughout the body.
Which statement best explains how the Gulf Stream affects the climate of North Carolina?
A The Gulf Stream pulls warm water from the north, making temperatures warmer during the winter and bringing more precipitation to the state.
B The Gulf Stream brings warm water from the south, making temperatures warmer during the winter and bringing more precipitation to the state.
C The Gulf Stream pushes winds eastward across the United States, preventing precipitation within the state.
D The Gulf Stream pushes wind westward across the ocean, making temperatures much cooler within the state.
B The Gulf Stream brings warm water from the south, making temperatures warmer during the winter and bringing more precipitation to the state.
Which is an action that combines a learned behavior with an inherited characteristic?
A. The beating of a human heart.
B. The spinning of a web by a spider.
C. The way a bear catches fish for food.
D. The regular breathing of a sleeping dog.
C. The way a bear catches fish for food.
A plastic bottle of water was placed into a freezer. The next day the bottle was taken out of the freezer. What has most likely happened to the water and the plastic bottle?
A. The water changed to a gas, and the bottle shrunk.
B.The water changed to a solid, and the bottle expanded.
C.The water changed to a gas, and the bottle was empty.
D.The water changed to a solid, and the bottle was not changed.
B. The water changed to a solid, and the bottle expanded.
What do a bear, mouse, grasshopper, and a human have in common?
A. They all are carnivores.
B. They all are consumers.
C. They all are herbivores.
D. They all are producers.
B. They all are consumers.
Which is an example of the nervous and respiratory systems working together?
A. involuntary muscle movement for heart beating
B. involuntary muscle movement for breathing
C.voluntary muscle movement for breathing
D.voluntary muscle movement for moving
B. involuntary muscle movement for breathing