Plants
Animals
Humans
Nature of Science
FAST test questions
100
This is the organ of reproduction in most plants on Earth. It is also the basis for plant classification. What is this organ?
A. flower
B. leaf
C. root
D. stem
A. flower
100
Which organ helps mammals, like dogs and humans, breathe air?
A. Gills
B. Lungs
C. Kidneys
D. Stomach
B. Lungs
100
The heart plays an important role in the cardiovascular system.
What does the heart do for the body?
A. It moves blood throughout the body
B. It removes waste from the blood
C. It turns food into energy
D. It takes in oxygen from the environment
A. It moves blood throughout the body
100
Sally was disappointed with the lunch being served at school. She decided to take a student survey about the kinds of food students liked to eat. Is Sally conducting a scientific experiment in this case?
A. Yes, the is conducting research.
B. No, she must compile her data in some way.
C. No, a survey is not an experiment.
D. Yes, Sally is collecting opinions that are a form of qualitative data.
C. No, a survey is not an experiment.
100
A clock displays time with numbers that light up, as shown below. Which type of energy transformation causes the numbers to appear as shown?
A. heat to light
B. sound to light
C. electrical to light
D. mechanical to light
C. electrical to light
200
The three plants seen here can be sorted into two groups. One way to sort the plants is to put plant A in one group and plants B and C in another.
What labels would you use for the two groups?
A. tall or short
B. land and water
C. seeds or no seeds
D. nonvascular and vascular
C. seeds or no seeds
200
One of the most important physical characteristics of arthropods is the exoskeleton which is the complex rigid outside covering of the body.
Identify the advantage of the arthropod's exoskeleton?
A. Provides better leverage for muscles
B. Provides better protection than soft tissue
C. Can support great size and weight without becoming too heavy
D. Provides better protection than soft tissue and provides better leverage for muscles
D. Provides better protection than soft tissue and provides better leverage for muscles
200
Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. What organ is responsible for protecting Saul from the heat?
A. eyes
B. heart
C. liver
D. skin
D. skin
200
The object fell 10 meters in 1.5 seconds.
The above statement is an example of
A. a law.
B. a theory.
C. a conclusion.
D. an observation.
D. an observation.
200
A student is shopping with her father and observes that it is harder to push the shopping cart as more items are placed into the cart. Which of the following statements gives the most likely reason for her observation?
A. As more items are loaded into the cart, the air resistance increases.
B. As more items are loaded into the cart, the balanced force increases.
C. As more items are placed into the cart, the mass of the load increases.
D. As more items are placed into the cart, the height of the load increases.
C. As more items are placed into the cart, the mass of the load increases.
300
This is a potato plant. Yes, the potatoes you eat grow underground, attached to the roots.
What is the function of the potato leaves?
A. collecting sunlight
B. absorb water and nutrients
C. make food by photosynthesis
D. reproduction and seed production
C. make food by photosynthesis
300
Characteristics for four organisms are shown in the table.
Comparison of Four Organisms
Organism A - Feathers, Flight, lays eggs
Organism B-Scales, gills, fins
Organism C- Tadpole larvae, four limbs, has lungs and gills
Organism D- Six legs, exoskeleton, wings
Which organism is most likely an invertebrate based on the descriptions given here?
A. Organism A
B. Organism B
C. Organism C
D. Organism D
C. Organism D
300
The kidneys and bladder are part of the body’s excretory system. Which of the following BEST describes their function?
A. They absorb nutrients from food and send them to the bloodstream.
B. They store and remove waste from the body in the form of urine.
C. They produce hormones that help cells grow and divide.
D. They release carbon dioxide during breathing.
B. They store and remove waste from the body in the form of urine.
300
Travis sets up an experiment to determine how applying a specific fertilizer affects sunflower growth. He places the same number of seeds and the same amount of soil in each pot. Then, he places all of the pots outside in a sunny location. Of the 20 pots, 10 receive fertilizer, and 10 do not. Travis waters all of the pots with the same amount of water twice each week.
What is the control group in Travis' experiment?
A. the amount of water
B. the type of seeds used
C. the seeds with fertilizer
D. the seeds without fertilizer
D. the seeds without fertilizer
300
Minerals are identified by observing and testing their physical properties. Which of the following statements describes a physical property used to identify a mineral?
A. This mineral makes a black streak.
400
A bee is attracted to a flower's bright petals. Which phase of plant reproduction is the bee helping to complete? (choose 2)
A. Seed dispersal
B. Pollination
C. Seed germination
D. Fertilization
E. Fruiting
B. Pollination and D. Fertilization
400
Woodpeckers have long, sticky tongues. Anteaters also have long, sticky tongues.
Which statement best explains why both anteaters and woodpeckers have long, sticky tongues?
A. They both defend themselves using their tongues.
B. They both eat insects that live in hard-to-reach places.
C. They both use their tongues to clean their fur or feathers.
D. They both live in underground tunnels.
B. They both eat insects that live in hard-to-reach places.
400
A human organ is pictured below.
What is the name and function of this organ?
A. This is a kidney, it filters liquid waste from the blood.
B. This is a kidney, it removes solid waste from the blood.
C. This is the liver, it absorbs nutrients from the blood.
D. This is the liver, it removes toxins from the blood.
A. This is a kidney, it filters liquid waste from the blood.
400
Sarah is studying the effects of water erosion. She sets up this model for the science fair. As she pours the water, she counts the number of sugar cubes that dissolve every thirty seconds and writes the number down in a table. After the experiment, she uses the table to make a graph showing the amount of erosion.
While many scientific investigations follow all of the steps in the scientific method, many do not. Which of these steps in the scientific method best describes what Sarah is doing?
A. Making a prediction.
B. Organizing data from observations.
C. Identifying variables for an experiment.
D. Repeating an experiment to confirm results.
B. Organizing data from observations.
400
In the 1850s, the European green crab was accidentally transported on ships to the north Atlantic coast of the United States. There, this crab’s population grew rapidly. The crabs ate several kinds of snails, including the smooth periwinkle. Today, smooth periwinkle snails have thicker shells. Which of the following statements best describes this change in the smooth periwinkle snail?
A. Snail shells changed when stronger and faster snails avoided the predators.
B. A greater population of crabs forced the snails to move to a different area.
C. Snails born with thicker shells more often survived predator attacks.
D. Snails formed thicker shells as each individual became older.
C. Snails born with thicker shells more often survived predator attacks.
500
Roots, stems, leaves, and flowers are organs in plants.
Which of the choices is NOT a function of a plant's roots to help it survive in its environment?
A. Roots help anchor a plant into the ground.
B. Roots collect nutrients from the soil.
C. Roots hold water for the plant.
D. Roots collect sunlight for photosynthesis.
D. Roots collect sunlight for photosynthesis.
500
A student observes an animal that has a backbone, lays eggs, and uses gills to breathe as a young organism but lungs as an adult.
Which group of vertebrates does this animal most likely belong to?
A. Mammals
B. Birds
C. Amphibians
D. Reptiles
C. Amphibians
500
The diagram below shows some organs of the human body. One organ is highlighted.
Which organ is shown and what is its function?
A. Liver, removes toxins
B. Pancreas, secretes enzymes
C. Intestines, absorb water and nutrients
D. Stomach, breaks down food
B. Pancreas, secretes enzymes
500
Trey and Randall are conducting an experiment to test the effects of watering plants with deionized water compared to rainwater. They take 20 plants of the same size and species, kept in the same area in front of a large window of their classroom, and water half with rainwater collected outside in a barrel and half with deionized water. All plants receive the same amount of water daily for three weeks. The plants watered with rainwater grew an average of two inches taller. When they were finished, they reported their results in the school newspaper.
What is the control in this experiment?
plants watered with rainwater
500
Gina looks at the stars in the clear night sky. She notices that some stars are brighter than others. Which of the following characteristics do the brighter stars have compared to the other stars?
A. The brighter stars reflect more light from the Sun.
B. The brighter stars give off less energy.
C. The brighter stars are closer to Earth.
D. The brighter stars have planets
C. The brighter stars are closer to Earth.