Nature of Science
Which contains empirical evidence about the climate in Tallahassee?
A. Tallahassee has hot, humid summers and cold, dry winters
B. Last January, Tallahassee experienced a week of freezing weather
C. In Tallahassee, there is less rain in January than in June or July
D. The average daily temperature in Tallahassee in January is 63.5 degrees F
D. The average daily temperature in Tallahassee in January is 63.5 degrees F
Which describes all planets in the solar system?
A. have rings
B. have moons
C. have solid surfaces
D. have orbits around the sun
D. have orbits around the sun
Which best describes the relationship between rocks and minerals?
A. Minerals are the building blocks of rocks.
B. Minerals are formed from broken down rocks.
C. Minerals and rocks are two words for the same object.
D. Minerals are formed when rocks are melted and cooled.
A. Minerals are the building blocks of rocks.
The state of matter with no definite shape or volume is a _______.
A. gas
B. liquid
C. property
D. state
A. gas
Which human organ system is most like tree bark?
A. bones
B. lungs
C. muscles
D. skin
D. skin
A. Recording accurate data
B. Choosing an original problem statement
C. Creating a testable hypothesis
D. Testing only one variable at a time
B. Choosing an original problem statement
Which is the best title for this list?
- Earth, gas, dust, the sun, objects that orbit the sun
A. objects in the solar system
B. things found in all galaxies
C. parts of the Milky Way galaxy
D. things that orbit Earth
C. parts of the Milky Way galaxy
Which type of rock is most likely formed during the formation of a volcano?
A. sedimentary rock
B. metamorphic rock
C. igneous rock
D. large boulder
C. igneous rock
What is not an example of chemical change?
A. burning
B. folding
C. rusting
D. wood burning
B. folding
Which structure allows a tree to be a producer?
A. branches
B. leaves
C. roots
D. trunk
B. leaves
When conducting an experiment, it is important to collect data. If you were conducting an experiment to determine which fertilizer works best on a rose bush, which would be the best tools for collecting data?
A. a ruler and calendar
B. a pen and notebook
C. a digital scale and graduated cylinder
D. a microscope and hand lens
A. a ruler and calendar
Which of these shows the phases of the moon in the order they occur?
A. last quarter, full moon, new moon, first quarter
B. first quarter, last quarter, new moon, full moon
C. new moon, first quarter, full moon, last quarter
D. new moon, full moon, first quarter, last quarter
C. new moon, first quarter, full moon, last quarter
Which describes what takes place during erosion?
A. ice cracks a rock
B. plant roots break a rock
C. water makes a pebble smooth
D. wind blows sand across the desert
D. wind blows sand across the desert
A beaker contains sand and iron fillings. What is the best way to separate the sand from the iron fillings?
A. heat the mixture
B remove them by size
C. shake the beaker
D. use a magnet
D. use a magnet
What organ is responsible for filtering blood and controlling water and salt balance?
A. kidney
B. stomach
C. lungs
D. heart
A. kidney
Scientists want to determine if how loud music is played affects a person's blood pressure. Which variable should change in the experiment?
A. the type of music played
B. the amount of time the person hears the music
C. the volume of the music played
D. the tools used to test the blood pressure
C. the volume of the music played
The four inner planets are often called terrestrial planets, meaning they are like Earth. How are the four inner planets similar to one another?
A. They all have oceans composed of liquid water
B. They all have surfaces made of rock
C. They all have similar average temperatures
D. They all are surrounded by an oxygen-rich atmosphere.
B. They all have surfaces made of rock
Greg found a rock with seashells and sand in it. What process likely caused this rock to form?
A. from layers of sediment that were cemented together
B. from melted rock that cooled above the surface
C. from heat and pressure below the surface of Earth
D. from rocks mixing with sea water
A. from layers of sediment that were cemented together
Which statement is true about energy?
A. energy is a form of matter
B. energy cannot travel through space
C. energy has the ability to cause change in matter
D. energy cannot change form
C. energy has the ability to cause change in matter
Seaweed in a coastal bay supports many species. Small fish, sea urchins, and crabs feed on the seaweed. Sea stars eat sea urchins, and sea otters feed on sea stars and shell fish. Sometimes, sharks prey on sea otters. Which species in this food chain depends the most on the sun's energy?
A. sea otter
B. sea star
C. sea urchin
D. seaweed
D. seaweed
Leann and Juan are each planning an investigation of the water cycle. Leann plans a descriptive investigation, while Juan plans an experimental investigation. Which step could be part of both investigations?
A. Forming a hypothesis, such as “The Sun provides the energy for the water cycle.”
B. Identifying variables for a fair test, such as the saltiness of the water or the air temperature.
C. Asking people for their opinions about the water cycle and its importance.
D. Making observations of water and its changes, either in nature or a laboratory
D. Making observations of water and its changes, either in nature or a laboratory
Comets and asteroids are two classes of objects in the solar system. Both are smaller than planets. How are comets different from asteroids?
A. Only comets move in orbits around the Sun
B. Only comets are made of frozen gases as well as rock
C. Comets are much larger than asteroids and have an atmosphere
D. Comets are much smaller than asteroids and move in orbits around planets.
B. Only comets are made of frozen gases as well as rock
Lisa held a piece of quartz up to the sunlight and described the mineral as glassy. Which property of the mineral did she identify?
A. hardness
B. luster
C. streak
D. cleavage
B. luster
A spacecraft travels in a straight line in space. The spacecraft moves at a constant speed, and no forces are acting on it. What will happen to the spacecraft's motion?
A. the spacecraft will stop
B. the spacecraft will increase its velocity
C. the spacecraft will accelerate
D. the spacecraft's motion will not change
D. the spacecraft's motion will not change
The body sometimes fails to produce enough insulin, the hormone that controls blood sugar. Which body organ is most likely to be working poorly when insulin levels are too low?
A. pancreas
B. liver
C. brain
D. kidneys
A. pancreas