Evolution and Genetics
Energy
Earth's Atmosphere
Force and Motion
Structure and Functions of Living Things
100
Which of the following best explains offspring with greater variation from sexual reproduction?
A budding
B mitosis
C meiosis
D single parent
C meiosis
100
Which of the following has the most kinetic energy?
A a basketball rolling down a hill
B a bus stopped at the top of a hill
C a truck parked on the top of a hill
D a golf ball at rest on the top of a hill
A a basketball rolling down a hill
100
Which atmospheric layer is closest to Earth’s surface?
A exosphere
B mesosphere
C stratosphere
D troposphere
D troposphere
100
Which is used for comparison to determine if another object is in motion?
A reference point
B speedometer
C compass
D magnet
A reference point
100
Which is the function of a cell′s nucleus?
A to create energy for the cell
B to control what comes into the cell
C to provide directions for cellular functions
D to obtain nutrients to fuel cellular functions
C to provide directions for cellular functions
200
Which of the following is characteristic of sexual reproduction?
A Single specialized cell from a female joins with a specialized cell from another female.
B Cells divide allowing offspring to have genetic variations that strengthen the species.
C Gametes are produced containing identical numbers of chromosomes.
D A single specialized cell from a female joins with a specialized cell from a male.
D A single specialized cell from a female joins with a specialized cell from a male.
200
Mechanical energy is a combination of which of the following?
A potential energy and thermal energy
B kinetic energy and electromagnetic energy
C kinetic energy and potential energy
D potential energy, kinetic energy and thermal energy
C kinetic energy and potential energy
200
Which condition is the most likely health consequence of smog?
A asthma
B stomachaches
C burns from acid in polluted air
D sunburns from depleted ozone
A asthma
200
A boat moving north in a river at 3 m/s while the current in the river moves south at 1 m/s. How will the boat be affected if it enters a part of the river where the current is moving south at 2 m/s?
A The boat will move slower.
B The boat will move faster.
C The boat will stop.
D The boat will move to the west.
A The boat will move slower.
200
Why can plant cells make their own food but the cells of a zebra cannot?
A Plant cells have a cell wall, but zebra cells do not.
B Plant cells contain vacuoles, but zebra cells do not.
C Plant cells contain chloroplasts, but zebra cells do not.
D Plant cells contain mitochondria, but zebra cells do not.
C Plant cells contain chloroplasts, but zebra cells do not.
300
Punnett Squares are useful in predicting which of the following?
A genotypes and phenotypes
B only genotypes
C only phenotypes
D sequencing of chromosomes
A genotypes and phenotypes
300
A lever can be used to increase mechanical advantage and increase efficiency. Which of the following will occur when the person applies force to the lever?
A The rock will become more flexible.
B The rock will increase in mass.
C The rock will decrease in size.
D The rock will change in position.
D The rock will change in position.
300
A warm front is moving toward a town. What weather conditions should the town residents expect as the front arrives?
A warmer temperatures and light drizzle
B warmer temperatures and heavy rains
C warmer temperatures and cloudy, dry skies
D warmer temperatures and clear, sunny skies
A warmer temperatures and light drizzle
300
A student made a track for a toy sled using four different materials. At which section of track is friction most likely to cause the greatest resistance on the motion of the toy sled?
A Aluminum Foil
B Sandpaper
C Wax Paper
D Plastic Wrap
B Sandpaper
300
Which list is ordered from least complex to most complex?
A organ, cell, organism
B organism, organ, cell
C cell, organ, organism
D organ, organism, cell
C cell, organ, organism
400
Jared has a genetic disorder. Which is the most likely reason Jared has the disorder?
A Jared was exposed to chemical pollutants.
B Jared has a poor diet and does not exercise.
C Jared’s mother or father also has the disorder.
D Jared attends school with another child who also has the disorder.
C Jared’s mother or father also has the disorder.
400
Which of the following best explains the difference between kinetic and potential energy?
A Kinetic energy is the energy an object contains at rest. Potential energy is the energy an object contains when it is in motion.
B Potential is the stored energy an object has when it is in motion. Kinetic energy is the energy an object has when it is at rest.
C Kinetic energy is the energy an object contains when it is in motion. Potential energy is the stored energy an object has when it is at rest.
D Potential energy is the energy an object has when it is at rest. Kinetic energy is the stored energy an object has when it is in motion.
C Kinetic energy is the energy an object contains when it is in motion. Potential energy is the stored energy an object has when it is at rest.
400
How do winds move on Earth?
A from high pressure to low pressure areas
B from low pressure to high pressure areas
C from southern to northern locations
D from eastern to western location
A from high pressure to low pressure areas
400
Billy is skateboarding on a steep hill. Which of the following locations will friction act upon Billy while he is skateboarding?
A Friction will act on Billy's skateboard at location 3 and location 4.
B Friction will act on Billy's skateboard at location 2 and location 4.
C Friction will act on Billy's skateboard at location 1 and location 4.
D Friction will act on Billy's skateboard at all locations.
D Friction will act on Billy's skateboard at all locations.
400
Why is it important that tissues are composed of specialized cells?
A All tissues need specialized cells to reproduce.
B All tissues need specialized ways to eliminate waste products.
C Tissues perform specialized functions to create complex genes.
D Tissues perform specialized functions, depending on their location in the body.
D Tissues perform specialized functions, depending on their location in the body.
500
Ashley is a 9-year-old girl with diabetes. Which of the following would a doctor recommend to manage the symptoms of diabetes?
A maintaining a healthy diet
B washing her hands regularly
C taking antibiotics regularly
D limiting her amount of physical activity
A maintaining a healthy diet
500
What is the relationship between air pressure and weather?
A When a low-pressure system moves into an area, this will most likely lead to cloudiness, wind, and precipitation.
B When a high-pressure system moves into an area, the weather is usually stormy with a high probability of tornadic activity.
C When a low-pressure system moves into an area, the weather is usually calm with no chance of rain or wind.
D When a high-pressure system moves into an area, it usually leads to calmer weather with no precipitation.
A When a low-pressure system moves into an area, this will most likely lead to cloudiness, wind, and precipitation.
500
Which choice identifies a human source of air pollution?
A plant pollen
B car exhaust
C wind energy
D volcanic eruption
B car exhaust
500
Samuel rode his bicycle for 30 minutes without stopping for a break. He traveled 6 miles during the first 15-minute period. He traveled 4 miles during the second 15-minute period. Which statement describes Samuel’s motion?
A Samuel traveled a total of 9 miles.
B Samuel traveled at a constant speed during his bike ride.
C Samuel traveled more slowly in the first 15 minutes than he did in the last 15 minutes.
D Samuel traveled faster in the first 15 minutes than he did in the last 15 minutes.
D Samuel traveled faster in the first 15 minutes than he did in the last 15 minutes.
500
Marc eats a well-balanced diet and takes vitamins. Yet, test results show that Marc has a vitamin deficiency. Which of Marc’s body systems are most likely not functioning properly?
A the respiratory and circulatory systems, because the vitamins are being released as waste
B the digestive and excretory systems, because his body is not absorbing the vitamins in the food he eats
C the respiratory and digestive systems, because the exchange of oxygen and carbon dioxide is being affected
D the digestive and nervous systems, because the vitamins are not being transported to the right places in his body
B the digestive and excretory systems, because his body is not absorbing the vitamins in the food he eats