A little girl pushes her toy car along the concrete sidewalk. Eventually, the toy car slows down and comes to a stop. What force played the largest role in causing the toy car to slow down and stop?
FRICTIONAL FORCE
Which theory claims that cells represent the basic unit of all LIVING organisms?
CELL THEORY
What do you call the relationship between two organisms that live together and benefit from each other. 
MUTUALISM
Which substance is MOST BASIC?
LYE
What is the best definition of a mixture?
Two or more substances that are not chemically combined.
A cat keeps warm from laying on a heated floor.

CONVECTION ? CONDUCTION ? RADIATION ?
CONDUCTION
Which of the following accurately describes the structural hierarchy in a human being in order of increasing complexity?
tissue, organ, cell, organism, organ system,
organism, tissue, organ system, organ, cell,
cell, tissue, organ, organ system, organism,
organ, tissue, cell, organ system, organism
CELL, TISSUE, ORGAN, ORGAN SYSTEM, ORGANISM
Gloria is at the observatory and is examining a newly discovered star through a powerful telescope. She wants to find out how bright the star actually is. What information does she need to calculate the absolute magnitude of a star?
apparent magnitude and distance from Earth
Examine the map shown in the figure below. Some of the information used to create the map was most likely gathered during what type of investigations?
fieldwork by geologist working in the area
The picture below shows a club hitting a golf ball.
Why does the golf ball move when the club strikes it?
Contact with the ball creates an UNBALANCED force affecting the ball.
A fact that is supported by evidence is called what?
LAW
What do you call the relationship between two organisms when one organism lives and feeds off the other (that derives no benefit), without killing it immediately?
PARASITE
Which substance is MOST ACIDIC?
BATTERY ACID
What is the definition for a pure substances?
A simple substance that cannot be broken down
Earth get warm fro the Sun's rays.
CONVECTION ? RADIATION? CONDUCTION?
RADIATION
Directions: The picture below shows a living organism. Use the picture to answer any questions that follow.
From where did this organism come?
ALL CELLS COME FROM PREEXISTING CELLS
Which planet in our Solar System is the fastest?
Mercury (zipping around the Sun every 88 Earth days)
A microbiologist investigates the outbreak of an unknown illness, which is thought to be caused by a new strain of bacteria. Doctors have determined the bacteria are located in the lungs. Initial work on treating the illness is dependent upon analysis of the bacteria. Which investigational method should the microbiologist use to start the process to analyze the bacteria?
Review the patients’ medical charts.
Interview people who have become sick.
Review the treatment medications and their effectiveness.
Take samples of the bacteria and grow cultures in a lab setting.
5. Take samples of the bacteria and grow cultures in a lab setting.
 Which part of an airplane creates LIFT?
THE WINGS
TRUE or FALSE
Theories explain LAWS
TRUE
What do you call organisms like fungi and mushrooms that break down dead organisms into simpler substances?
DECOMPOSER
Complete the following sentence: The Periodic Table is organized in order of increasing ________ ___________.
ATOMIC NUMBER
Whch box contains pure substances
2
The circular flow (rise and fall) of air currents. C
CONDUCTION? CONVECTION? RADIATION?
CONVECTION
The pictures below show a cheetah and a cactus plant.

Which of the following are NOT found in both plant and animal cells?
vacuoles
nuclei
mitochondria
chloroplasts
CHLOROPLASTS
Many historical models of the Solar System were geocentric. Which phrase describes a heliocentric solar system?
the sun as a reference point
Biologists study the migration patterns of the Florida manatee. To gather evidence, they sometimes put radio tracking devices on the manatees. The picture shows a manatee wearing such a device. The belt that holds the device on the manatee is designed to be breakable. Why would biologists design a belt that would break in certain situations?
C) to prevent manatees from being trapped if the device snags on something
A battery-powered cart pulls a 1000-gram load across the floor. What would most likely happen if the load were reduced to 300 grams and the force used to move the cart remained the same?
The cart would move faster
TRUE or FALSE
Theories explain HOW things occur and Laws explain WHY events occur or what will occur.
TRUE
What part of the cell is labelled "A"
CYTOPLASM
Complete the following statement:
Elements on the periodic Table that are in the same column (group) have ______________ chemical properties.
SIMILAR
What is the primary indication that a CHEMICAL change has occurred?
A new substance is created
Name one human activity causes desertification.
AGRICULTURAL FARMING
HOUSING CONSTRUCTION
IRRIGATION
What is the function of the musculoskeletal system in the human body?
PROTECTION OF VITAL ORGANS
In the diagram above, the South Hemisphere is tilted toward the sun. What is true about the solar energy received when the South Hemisphere is tilted toward from the sun?
The Southern Hemisphere receives more direct solar energy and is warmer.
A microbiologist investigates the outbreak of an unknown illness, which is thought to be caused by a new strain of bacteria. Doctors have determined the bacteria are located in the lungs. Initial work on treating the illness is dependent upon analysis of the bacteria. Which investigational method should the microbiologist use to start the process to analyze the bacteria?
Take samples of the bacteria and grow cultures in a lab setting.
When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?
It will change into a gas.
Complete the following sentence: Scientific knowledge can withstand the test of time because ........
it is open to change when new evidence arises.
What happens to a population when a resource that is a limiting factor in the environment suddenly becomes scarce?
The population size will decrease to a size that can be supported by that limiting factor.
What type of changes are occurring when water becomes steam or ice?
Physical change (change in state).
What is the common household name for the compound NaCl?
SALT
According to the diagram, what forms when MAGMA cooling and hardening?
IGNEOUS ROCK
The diagram shows the two main parts of the body’s central nervous system. According to the diagram, which statement best describes the brain?Which statement is correct?
It is made up of several types of tissue that work together.
It is made up of several types of organs that work together.
iagram shows the two main parts of the body’s central nervous system. According to the diagram, which statement best describes the brain?
It is made up of several types of tissue that work together.
What two factors impact the length of a season?
1. Earth’s tilt relative to the sun.
2. Earth’s position in its orbit around the sun
Santos wants to record the temperature of a heated object every minute for 5 min as it cools. Which table should he use to record his data?
B
A rocket burns fuel to create hot gases that explode violently out of the rocket engine. This explosion creates thrust. Thrust is a force that pushes the rocket upward. What force must thrust overcome in order to send a rocket up into space?
gravity acting on the rocket
Joe tells Mai his theory about why sea turtles nest on the beach instead of in the ocean. He says, “The turtle eggs would sink to the bottom of the ocean, and the baby turtles would drown.” Joe says his uncle is a fisherman, who told Joe this information. Mai tells Joe that his theory is not scientific. Which explanation supports Mai’s evaluation of Joe’s theory?
Joe’s idea is already a scientific law.
Joe’s idea is not supported by scientific evidence.
Joe’s idea is a good guess that can be tested by experiments.
Joe’s idea accurately explains why sea turtles nest on the beach
2. Joe’s idea is not supported by scientific evidence.
Some consumers, such as many flying insects, need large amounts of energy to grow and move from one place to another. How do consumers get energy to function?
Consumers obtain all of their energy by eating other organisms.
Which of the following is the best example of a pure substance?
air
iron
peanuts
tea
IRON
There are 92 naturally occurring elements. How does this relate to the number of compounds?
Elements combine in different ways to create many more than 92 compounds.
Based on the picture, which global winds are responsible for steering hurricanes from the coast of Africa to the United States coast?
TRADE WINDS
The diagram shows parts of the human body that work together to help you digest the food you eat. What can you conclude about this diagram? Which statement is correct?
It is made of two or more types of tissue that work together to perform a function.
It is made of two or more types of organs that work together to perform a function
It is made of two or more types of organs that work together to perform a function
The sun does not rotate in the same way the Earth does. Different parts of the sun rotate at different speeds. The figure below shows the rotation of the sun. Which arrow shows the parts of the sun that rotates the fastest?
S and T
Which sequence of steps does a scientist follow during an experimental Investigation?
collect data → analyze data → draw conclusions
draw conclusions → interpret data → graph results
plan an experiment → draw conclusions → collect data
identify variables → define a problem → plan an experiment
1. collect data → analyze data → draw conclusions