Scientific Models and Experiments
Cells
Physics
Classification of Living Things
Everything
100
Which of the following is NOT a characteristic of a scientific model?
A) It is based on evidence and observations.
B) It is always 100% accurate.
C) It can be revised or updated as new evidence is discovered.
D) It helps scientists understand and predict how things work in the natural world.
B) It is always 100% accurate.
100
Which of the following kinds of cells perform basic functions such as making molecules for growth?
A) Plant cells, but not animal cells
B) Animal cells, but not plant cells
C) Both plant cells and animal cells
D) Neither animal cells nor plant cell
C) Both plant cells and animal cells
100
A man is driving a car at 30 mph. He sees a stop sign and begins to slow down, decreasing his speed to 15 mph. By the time the car reaches the stop sign, the speed is 0 mph.
When does the car have the most motion energy (kinetic energy)?
A. When the car's speed is 30 miles per hour
B. When the car's speed is 15 miles per hour
C. When the car's speed is 0 miles per hour
D. The car's motion energy is the same the whole time
A. When the car's speed is 30 miles per hour
100
Scientists assign each kind of organism a universally accepted name in the system known as___
A. cladistics
B. binomial nomenclature.
C. traditional classification.
D. the three domains.
B. binomial nomenclature.
100
James is observing an unknown cell under a microscope. The presence of which structure would help him determine if the cell was from a plant or from an animal?
A. Nucleus
B. Cell wall
C. Ribosomes
D. Cell membrane
B. Cell wall
200
Why is it important to repeat scientific experiments and procedures?
A. It helps her develop better procedures
B. It improves the accuracy of the results.
C. She wants all the results to be different.
D. She has more than one hypothesis to prove.
B. It improves the accuracy of the results.
200
The picture below shows an organism called an amoeba. What structure does this organism likely have in common with humans?
a) heart
b) exoskeleton
c) cell
d) cell wall
c) cell
200
Ray is riding his skateboard down a hill. He speeds up as she goes down the hill, and the wheels get a little warmer. (The temperature of the wheel increases)
What energy transformations happen while he is going down the hill?
A. Motion energy (kinetic energy) is transformed into gravitational potential energy and thermal energy.
B. Gravitational potential energy is transformed into motion energy (kinetic energy) and thermal energy.
C. Gravitational potential energy is transformed only into motion energy (kinetic energy).
D. No energy transformations are involved while he is going down the hill
A. Motion energy (kinetic energy) is transformed into gravitational potential energy and thermal energy.
B. Gravitational potential energy is transformed into motion energy (kinetic energy) and thermal energy.
C. Gravitational potential energy is transformed only into motion energy (kinetic energy).
D. No energy transformations are involved while she is going down the hill.
B. Gravitational potential energy is transformed into motion energy (kinetic energy) and thermal energy.
200
What is the genus of the following organism.
Panthera tigris
Panthera
200
Which of the following scenarios represents an increase in kinetic energy?
a) A car slowing down while coming to a stop.
b) A person lifting a heavy box off the ground.
c) A stretched rubber band held stationary.
d) A ball rolling down a hill.
d) A ball rolling down a hill.
300
Which of the following best describes the relationship between scientific models and experiments?
A) Scientific models are used to design experiments, while experiments are used to validate or refine scientific models.
B) Scientific models are used to conduct experiments, while experiments are used to create scientific models.
C) Scientific models and experiments are unrelated and serve different purposes in science.
D) Scientific models are only used after experiments have been completed to interpret the results.
A) Scientific models are used to design experiments, while experiments are used to validate or refine scientific models.
300
Which of the following organisms have cells that contain ribosomes?
I. Dogs
II. Mushrooms
III. Fish
IV. Bacteria
a) I
b) I and II
c) II and III
d) I, II, III, IV
d) I, II, III, IV
300
Which energy transformation occurs in a rubber band powered model airplane when it is flown?
A. Thermal energy stored in the rubber band is transformed into chemical energy used by the propeller.
B. Kinetic energy stored in the rubber band is transformed into thermal energy used by the propeller.
C. Chemical energy stored in the rubber band is transformed into potential energy used by the propeller.
D. Potential energy stored in the rubber band is transformed into kinetic energy used by the propeller.
D. Potential energy stored in the rubber band is transformed into kinetic energy used by the propeller.
300
Which of the following are the three main classification domains?
A. Fungus, Plants, and Animals
B. Bacteria, Archaea, and Eukarya
C. Protist, Fungus, and Plants
D. Bacteria, Virus, and Eukarya
B. Bacteria, Archaea, and Eukarya
300
Which statement explains why the nucleus can be referred to as the brain of plant and animal cells?
A. It releases energy to the cell.
B. It controls the activities of the cell.
C. It stores food, water, and wastes of the cell.
D. It controls the materials that go into and out of the cell.
B. It controls the activities of the cell.
400
David conducted an investigation using three different skateboards. He wanted to see which skateboard rolled the fastest down a curved ramp. He released each skateboard at the top of the ramp once and used a stopwatch to determine the fastest skateboard.
Why should David REPEAT this investigation?
A. David needs to make sure that all the skateboards are not affected by friction.
B. David needs to have more than one set of numbers to make an accurate graph.
C. The investigation needs multiple trials to determine which board is the control.
D. The investigation needs to be repeated several times to have the most accurate data.
D. The investigation needs to be repeated several times to have the most accurate data.
400
Many ideas concerning cells have been proven and incorporated into the cell theory. Which of the following is NOT part of the cell theory?
A. All cells come from other cells.
B. All living things are composed of one or more cells.
C. All cells reproduce through meiosis.
D. All functions may be carried out by cells.
C. All cells reproduce through meiosis.
400
Which of the following is an example of the transformation of potential energy into motion energy (kinetic energy)?
I. A tire rolling along a level floor.
II. The stomach converting food into energy molecules.
III. A drop of water falling from a faucet into a sink.
a) I and III
b) II and III
c) I, II, III
d) None of the following
b) II and III
400
A group of which level of classification that is closely related will compose a genus?
A. kingdoms
B. species
C. phyla
D. orders
B. species
400
The flowchart below shows the levels of organization in a multicellular organism.
Cells --> Tissue --> Organs --> Organ Systems --> Organism
Which level of organization is made up of cells working together to do just one job?
A. cells
B. tissue
C. organ systems
D. organism
B. tissue
500
Donovan is testing three different brands of batteries to determine which brand lasts the longest when used in flashlights
In order for the test to be scientifically accurate, which variable must remain the same in each trial?
A. the brand of battery used
B. the type of flashlight used
C. the place the flashlights are used
D. the direction the flashlight is pointed when used
B. the type of flashlight used
500
What is the range of the number of cells that living organisms, from the very smallest to the very largest, can be made of?
A. From 1 to 100
B. From 1 to many millions
C. From 100 to 1,000
D. From 100 to many millions
B. From 1 to many millions
500
Imagine a pendulum swinging back and forth. At which point of the pendulum does it have no potential energy?
a) When the pendulum is all the way to the left.
b) When the pendulum is all the way to the right.
c) When the pendulum is swinging through its midpoint.
d) The potential energy of the pendulum is always zero.
c) When the pendulum is swinging through its midpoint.
500
Euglena gracilis is a freshwater species of single-celled alga. This organism contains a nucleus and chloroplasts. Into which kingdom is Euglena gracilis best classified?
A. Animalia
B. Eubacteria
C. Fungi
D. Protista
D. Protista
500
Which organelle contains the instructions for what type of proteins need to be produced in the cell?
a) Nucleus
b) Ribosomes
c) Mitochondria
d) Golgi Apparatus
a) Nucleus