Science questions and answers 2025\2026
A+ Grade
Mrs. Arton wants her students to learn to think scientifically. Which of the following is most likely to
result in the deepest scientific understanding?
A. Providing drill and practice preparation for the FCAT science exam
B. Teaching students to design and do simple experiments
C. Obtaining classroom subscriptions to science periodicals
D. Asking student to locate examples of real-world science in newspapers.
- correct answer B. teaching students to design and do simple experiments
note: Hands-on activities result in deeper science learning.
Mr. Isaac wrote the following equation on the board: CH4 + 2 O2 →→ CO2 + 2 H2O. What is true of the
equation?
I. CH4 is a reactant.
II. 2 O2 is a reactant.
III. CO2 is a reactant.
IV. 2 H2O is a reactant.
A. I and II
B. II and III
C. III and IV
D. II and IV
- correct answer A. I and II
note: reactants are materials to the left of the arrow
,Mr. Isaac wrote the following equation on the board: CH4 + 2 O2 →→ CO2 + 2 H2O. What is true of the
equation?
I. CH4 is a product
II. 2 O2 is a product.
III. CO2 is a product.
IV. 2 H2O is a product.
A. I and II
B. II and III
C. III and IV
D. II and IV
- correct answer C. III and IV
Materials to the right of the arrow are products.
Which of the following is true of matter?
A. Matter always has density.
B. Matter is always buoyant.
C. Matter can change physically, but not chemically.
D. Matter only consists of one type of atom.
- correct answer A. Matter always has density
note: Matter is anything with mass and volume and density is the ratio of mass to volume.
Shale, limestone and sandstone are examples of:
a. ignious rock
b. metamorphic
c. sedimemtary
- correct answer c. examples of sedimentary rocks
Asexual animal propagation is most likely to occur in
A. fish
B. reptiles
,C. fungi
D. bacteria
- correct answer d. bacteria
asexual animal propagation occurs most often in single-celled animals and fungi aren't animals
In plant cells, which of the following allows the energy in sunlight to be converted to chemical energy
and become biologically available?
A. Phagocytosis
B. Photosynthesis
C. Fermentation
D. Osmosis
- correct answer b. photosynthesis
What aspect of a plant cell distinguishes it most from animal cells?
A. nuclear membrane and endoplastic reticulum
B. chromosomes and mitochondria
C. nucleous and nucleousis
D. chloroplasts and cell walls
- correct answer d. chloroplasts and cell walls
the rest are in both animal and plant cells
Precipitation that contains high levels of sulfuric or nitric acid is ___________________.
A. acid rain
B. leaching
C. pollution
D. a temperature inversion
- correct answer a. acid rain
A ______ eclipse is when the moon moves between the earth and the sun.
a. lunar
, b. solar
- correct answer b. solar eclipse
think opposite of moon (not lunar!)
A ______ eclipse is when the earth moves between the moon and the sun.
a. lunar
b. solar
- correct answer a. lunar
it takes 365 days for earth to ____ around the sun.
- correct answer it takes 365 days for earth to REVOLVE around sun
it takes 24 hours for earth to ____ on its axis.
- correct answer it takes 24 hours for earth ROTATE on its axis
What type of rock is formed by the rock fragments that are carried away from their source by
weathering and erosion?
- correct answer sedimentary rock
What type of rock is formed when extreme temperature pressure cause the structure of pre-existing
rocks to change?
- correct answer metamorphic
Which scientific device would be most appropriate to use to map the ocean floor?
a. sonar
b. ground penetrating radar
c. seismometer
d. microwave generator
- correct answer a. sonar
Which scientific device would be most appropriate to use to measure ground movements during an
earthquake?