Cells
Heat and energy transfer
Human body
Force
Electromagnetic waves
Law vs theory
100
Why are mushrooms, squirrels, trees and human's examples of the cell theory?
A. The cells of the organisms perform exactly the same function
B. The cells of the organisms are identical in structure
C. The organisms are composed of one or more cells
D. The organisms are single-cellular
C. The organisms are composed of one or more cells
100
When you use a stove, electrical energy is transformed into heat energy. What is true for all energy transformations?
A. Within a system, energy can be created to do work.
B. Within a system, energy can be used to do work; then, it is lost.
C. Within a system, energy can be transformed, but it cannot be created or destroyed.
D. Within a system, electrical energy can be transformed, and additional energy can be created.
C. Within a system, energy can be transformed, but it cannot be created or destroyed.
100
Which systems work together to take in and transport the oxygen which will be used for cellular processes in the body?
A. respiratory and circulatory
B. Circulatory and digestive
C. Nervous and respiratory
D. Digestive and immune
A. respiratory and circulatory
100
A bowl is rolling down the hill with 35 N of force and friction is acting on the ball with 10 N of force. Explain how much the balls motion
the ball will continue to roll down the hill with 25N of force
100
Which color has the longest wavelength on the visible light spectrum?
A. Red
B. Green
C. Blue
D. Violet
A. Red
100
What is the main difference between a scientific theory and a scientific law?
A. A theory is a guess, while a law is proven.
B. a law is a description of what a scientist expects to happen every time under a certain set of conditions. a theory is a tested explanation for a wide range of observations and experimental results.
C. a theory is a description of what a scientist expects to happen every time under a certain set of conditions. a law is a tested explanation for a wide range of observations and experimental results.
D. A theory is always true, but laws can change.
B. a law description of what a scientist expects to happen every time under a certain set of conditions. a theory tested explanation for a wide range of observations and experimental results.
200
Biologists use the Cell Theory as a guideline for determining weather something should be classified as a living organism. Which of the following is a basic requirement of a living organism according to the cell theory?
A. Living organisms are multicellular
B. Living organisms undergo cell division where new cells are created from old cells.
C. Living organisms contain the same organelles within a cell.
D. Living organisms use the external environment to maintain cellular homeostasis
B. Living organisms undergo cell division where new cells are created from old cells.
200
Henry went to the gas station to fill his car. He then took a drive to meet his friends. Which energy transformations took place between Henry filling his car and the end of his drive?
A. Thermal energy was converted to mechanical energy?
B. Mechanical energy was converted to chemical energy
C. Electrical energy was converted to thermal energy
D. Chemical energy was converted to mechanical energy
D. Chemical energy was converted to mechanical energy
200
Homeostasis is the process by which the human body maintains a stable, constant environment. This includes both our salt and fluid levels and our body temperature. Which of the following describes how the human body would respond if exposed to extremely high temperatures.
A. The nervous system triggers shivering in the musculoskeletal system.
B. The nervous system triggers sweating in the integumentary system.
C. The muscular system sends messages to the central nervous system.
D. Teh muscular system sends messages to the digestive system
B. The nervous system triggers sweating in the integumentary system.
200
Mrs. Flemming asked her student Nick to help her drag a heavy box to the corner of the classroom. Mrs. Flemming pushed the box with 20 Newtons of force while Nick pulled the box with 15 N of force. What was the net force acting on the box?
35N
200
What colors are a part of the visible light spectrum?
Red, orange, yellow, green, blue, indigo, violet
200
Scientists create a comprehensive explanation for why plants grow toward the light, supported by years of testing and observation. This is an example of a:
A. Scientific law
B. Scientific theory
C. Scientific guess
D. Scientific rule
B. Scientific theory
300
What cellular organelle makes it possible for the plant to harness solar energy for the process of photosynthesis?
A. Vacuoles
B. Mitochondria
C. Nucleus
D. Chloroplasts
D. Chloroplasts
300
While making pasta on the stove, you chose a spoon to stir the salt into the noodles and boiling water. You pick a wooden spoon to decrease you chances of getting burned. What type of heat transfer are you trying to prevent?
A. Convection
B. Conduction
C. Radiation
D. Absorption
B. Conduction
300
Which of the following lists the levels of organization in an organism in the correct order, beginning with the building blocks life?
A. cell, tissue, organ, organ system, organism
B. organism, cell, organs, organ system, tissue
C. organ, cell, tissuem, organism, organ system
D. organism, organ system, organ, tissue, cell
A. cell, tissue, organ, organ system, organism
300
Which force is the only one that does not act at a distance?
A. Force
B. Magnitisim
C. Elecrtic
D. Gravity
E. Friction
E. Friction
300
The electromagnetic spectrum includes all types of visible light. All of the forms of energy shown in the spectrum travel in waves. What wave characteristics are directly proportional to each other?
A. Higher frequenxy causes an increase in amplitude.
B. An increase in amplitude causes a decrease in energy.
C. An increase in amplitude causes an increase in wavelength.
D. Higher frequency is associated with higher energy
D. Higher frequency is associated with higher energy
300
Newton's Law of Universal Gravitation describes the attraction between two objects, but it does not explain why gravity works. Because it describes what happens, it is a:
A. Scientific theory
B. Scientific law
C. Hypothesis
D. Observation
B. Scientific law
400
Plants and animals are similar in many ways. For instance, they are both made up of cells. Canker is a disease that attacks and destroys the cellulose which makes up cell walls. Which of the following cells would be affected by this disease?
A. a nerve cell
B. A skin cell
C. A leaf cell
D. A white blood cell
C. A leaf cell
400
Michael was making jello. First he got a room temperature bowl out of the cabinet and added the jello packet and a cup of boiling water to the bowl. He stirred until the jello dissolved, added a cup of ice water, then stirred again. Which statement describes the heat transfer that occured while making the jello?
A. The heat was transerferred by conduction. The heat from the bowl was transferred to the water, then heat from the jello was transferred to the ice water.
B. The heat was transerferred by conduction. The heat from the boiling water was transferred to the bowl, then heat from the bowl was transferred to the ice water.
C. The heat was transerferred by convection. The heat from the bow was transferred to the water, then heat from the jello was transferred to the ice water/
D. The heat was transferred by convection. The heat from the boiling water was transferred to the bowl, then heat from the bowl was transferred to the ice water.
B. The heat was transerferred by conduction. The heat from the boiling water was transferred to the bowl, then heat from the bowl was transferred to the ice water.
400
What does the picture show?
Organism, Cell, Organ system, Tissue, Organ
Organ system
400
Robert performed a magic trick for his sister using a playing card, a coin, and a cup. He placed the card on top of the cup and the coin on top of the card. When he quickly pulls the card, the coin drops into the cup. Why does the penny not move towards Robert when he pulls the card?
A. There is no friction between the card and the coin.
B. There is not enough gravity between the card and the coin.
C. The card places more force on the coin.
D. The coin's inertia and the force of gravity is stronger than the force of friction between the coin and the card.
D. The coin's inertia and the force of gravity is stronger than the force of friction between the coin and the card.
400
As the wavelength of a wave decreases, what happens to the frequency?
A. The frequency decreases
B. The frequency increases
C. The frequency is unchanged
D. The frequency becomes equal to the wavelength of the wave
B. The frequency increases
400
If a new, highly accurate experiment shows that a current theory cannot explain a new observation, what happens?
A. The law must be immediately discarded.
B. The theory is updated or refined to explain the new data.
C. The experiment is ignored because theories are final.
D. The theory is instantly promoted to a law.
B. The theory is updated or refined to explain the new data.
500
What is the best way to determine the function of a cell?
A. size
B. genetic composition
C. Structure
D. Shape
C. Structure
500
what energy transformation happens during photosynthesis?
Radiant (light) to chemical
500
Which system directs all the other systems and is considered to be the control center of the body?
Nervous system
500
Mason knew that the Sun is the largest object in our solar system, so he wondered why gravity held us to the surface of the Earth, rather thann pulling us to the sun. What statement would explain this?
A. The sun creates a smaller force of gravity.
B. The gravitational pull of Venus disrupts the gravitational pull of the sun.
C. The sun is too far away to apply any force of gravity on Earth.
D. The force of gravity is influenced by distance, and we are closer to the Eath than the Sun.
D. The force of gravity is influenced by distance, and we are closer to the Eath than the Sun.
500
What part of the electromagnetic spectrum can we see?
A. Radio waves
B. Ultraviolet waves
C. Visible light waves
D. X-ray
C. Visible light waves
500
Theory or Law??? Explanation of how the dinosaurs disappeared.
Theory