Earth Science
Fossil fuels are __________ resources because they take millions of years to form.
A. Renewable
B. Nonrenewable
B. Nonrenewable
What percent of DNA comes from each parent?
50%
Which word best describes a constraint?
A. Option
B. Opportunity
C. Restriction
D. Money
Restriction
A proton has a _______ charge.
Positive
Survival of the Fittest and Evolution were proposed by what scientist?
Charles Darwin
Which two gases make up most of the atmosphere?
nitrogen and oxygen
How many chromosomes are found in skin cells?
A. 46
B. 32
C. 23
D. 100
A. 46
True or False? A prototype is the final version of an engineering project.
False
True or False? A majority of an atom's mass is found in the nucleus of the atom.
True
Cell division in prokaryotes that forms two genetically identical cells:
A. fission
B. cloning
C. regeneration
D. budding
A. fission
_________ comes from the intense heat beneath Earth's surface.
A. Hydropower
B. Biomass
C. Geothermal
D. Nuclear Fusion
C. Geothermal
What is DNA?
A. something only found in your blood
B. A chemical substance found in the wall of a cell that has information about reproduction
C. A chemical substance found in the nucleus containing all information to carry out life processes of the cell
D. None of the above
C. A chemical substance found in the nucleus containing all information to carry out life processes of the cell
The only way to know if a design will work in real-world conditions is to build a model, or prototype, based on the plan. This is part of which step in the Design Process?
Create
Which of the following is NOT a part of Dalton's atomic theory?
A. All elements are composed of atoms.
B. Atoms of the same element are always identical.
C. Atoms are always in motion.
D. Atoms that combine do so in simple, whole-number ratios.
C. Atoms are always in motion.
Ms. Bloom wants to build a tower with her team. They have already asked a question. If following the engineering design process what's the next step?
Imagine
If you wanted to fly through a cloud, which atmospheric layer would you fly through?
Troposphere
Which of the following is an example of artificial selection done by humans?
A. Two pea pods have short stalks and reproduce a child pea plant with a short stalk
B. Two dogs (golden retriever and poodle) are bred together to make a golden doodle
C. Galapagos Tortoises have different length necks depending on the island they live on
D. Giraffes evolve from short neck to long neck over many generations
B. Two dogs (golden retriever and poodle) are bred together to make a golden doodle
What order do the steps of the Design Process go in?
Ask, Imagine, Plan, Create, Improve, Communicate
Neon is a common nonmetal. Which of the following properties does this nonmetal most likely have?
A. High conductivity, high malleability, and low luster
B. High conductivity, high malleability, and high luster
C. Low conductivity, low malleability, and low luster
D. Low conductivity, high malleability, and high luster
Low conductivity, low malleability, and low luster
What coefficients will balance the following chemical equation? ____ NaCl -> ____ Na + ____ Cl2
A. 4, 2, 1
B. 2, 1, 1
C. 2, 2, 2
D, 2, 2, 1
D, 2, 2, 1
How much of our planet is estimated to be covered with water?
75%
Grey mice and tan mice live on a beach in Jamaica. What is the trait that will allow for the best adapted mouse to survive?
Tan fur
During which step of the Design Process would the specific constraints or requirements of the challenge be identified?
Ask
Which of the following chemical equations is balanced?
A. 4 Fe + 3O2 -> 2Fe2O3
B. Mg + O2 -> MgO
C. 2Na + MgF2 -> 2NaF + Mg
D. P4 + O2 -> P2O3
C. 2Na + MgF2 -> 2NaF + Mg
How much of Earth's freshwater is available for use?
1%