Earth Science
What is the fourth planet from the sun?
Mars
What are the steps in the food chain?
Producers (first trophic level), consumers (second-fourth trophic levels), and decomposers
What type of mixture is evenly distributed throughout?
Homogenous Mixture
What is the first step in the scientific process?
Determine a question to investigate
What type of force is being applied on a baseball falling to the ground?
Gravitational
The continents were once all together in one big piece called _____ before breaking apart.
Pangea
What do all living things get energy from?
Sun
What is the formula to find kinetic energy?
KE = 1/2 MV2
What are criteria of an experiment?
the standards of which an experiment must adhere to
What is the single most basic unit of life?
Cell
How is sedimentary rock formed?
Over time, deposits of rock and once-living organisms are buried and become layered, creating sedimentary rock.
What is natural selection?
Survival of the fittest. The most adapted and strongest survive
What is Newton's Third Law of Motion?
For every action there is an equal and opposite reaction
What are the limitations to an experiment?
The restraints or restrictions of the experiment.
What is the pH of acids and the ph of bases?
Acids below 7
Bases above 7
Explain the alignment of a solar eclipse versus a lunar eclipse.
Solar eclipse: Sun, Moon, Earth
Lunar Eclipse: Sun, Earth, Moon
What is the difference between an open circulatory system and a closed circulatory system?
In an open system, blood is pumped into the body cavity and seeps into tissues.
In a closed system, blood is transferred through blood vessels and does not directly seep into the body.
If a roller coaster is at the top of the hill with 100 J of potential energy, how much kinetic energy will it have at the bottom of the hill?
100J
What is the independent variable in an experiment?
The variable we are changing
What is the last step in the scientific process?
Communicate results and peer review
What forms at divergent plate boundaries?
Submarine mountain ranges
Explain the digestive process in the human body.
Ingestion, mechanical digestion, chemical digestion, movement through the body, absorption, and elimination
If frequency determines the pitch of the sound, then the higher the frequency the ______ the pitch.
Higher
Identify the dependant factor and the control in the following experiment: Miss Kimball wants to know if classical music improves plant growth. On group A, she has plants with no music. Group B will have the same amount of plants with classical music constantly playing. Miss Kimball will measure the plants before and after 7 days.
Dependant factor- plant growth
Control- Group A
If the acceleration of a 10 kg object is 20 m/s, what is the force being applied?
200 N