Science 1
25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
(a) How do different materials react to magnets?
(b) Do items other than magnets have magnetic power?
(c)What causes magnets to be attracted to metal objects?
(d) Does the size of the magnet affect its magnetic power?
A student places a magnet next to a metal fork and records what happens. Next, he places the same magnet next to a plastic fork and records what happens.
Which question is the student most likely exploring with this investigation?
(a) sand particles
(b) decomposing leaves
(c) small pebbles
(d) water droplets
A soil sample contains living and nonliving materials. Which material was once living?
(a) pure
(b) moving
(c) deep
(d) cold
Water can provide energy that may be changed into electricity.
Which kind of water could be used to provide electricity?
(a)Jawbone (b)Brain (c) Heart (d)Stomach
Which body part belongs to the skeletal system?
(a) The condition all around us everyday at a certain place and time.
(b) How hot or cold something is
(c) The condition of the atmosphere at a certain place and time
(d) How much rain falls everyday
What is weather?
a) grass b) cricket c) bird d) snake
Which of the organisms below is BOTH a predator and a prey?
(a) Grams
(b) kilometers
(c) degrees Celsius
(d) cubic centimeters
Which unit is used to measure how warm or cool the air is?
(a) carbon dioxide (CO)2
(b) chloroplast
(c) sugar
(d) sunlight
Photosynthesis must occur in plants in order for them to survive. Which of the following is the major product of photosynthesis that helps the plants survive?
(a) What is the temperature of the water?
(b) Does ice melt faster in air or in water?
(c) How long does it take for water to freeze?
(d) Does the mass of an ice cube change when it melts?
Julie has the following objects:
two ice cubes * an empty glass* a glass of water at room temperature
Which question could Julie answer most easily by conducting a scientific investigation?
(a) put on gloves
(b) inform the teacher
(c) sweep up the broken glass
(d) clean up the spilled chemical
While working on a class chemistry experiment, Victor dropped a glass test tube filled with an unknown liquid. What should Victor do first?
(a) Their shapes stay the same in any container.
(b) Their shapes change when they are in different containers.
(c) Their volumes stay the same in any container.
(d) Their volumes change when they are in different containers.
Which statement correctly describes both gases and liquids?
(a) Mercury
(b) Saturn
(c) Venus
(d) Pluto
Which is the hottest planet in the solar system?
(a)They consume other organisms.
(b) They break down dead organic matter.
(c) They use the Sun’s energy to make food.
(d) They convert inorganic matter into organic matter.
What is the role of decomposers in a food chain?
(a) Sun
(b) Earth
(c) Mercury
(d) Moon
Which of these is a satellite?
(a) The wind is blowing from the north.
(b) The wind is blowing from the south.
(c) The wind is blowing from the west.
(d) The wind is blowing from the east
Jenny threw a paper airplane toward the west. The wind, however, caused the airplane to move in a southwestern direction.
Which statement best describes the direction of the wind?
(a) classifying
(b) predicting
(c) measuring
(d) experimenting
Students are studying some leaves. They group the leaves by shape. Which science process are the students using when they put the leaves in different groups?
(a) Earth rotates.
(b) The Sun rotates.
(c) The Sun revolves around Earth.
(d) Earth revolves around the Sun.
Which statement explains why the Sun appears to rise and set each day?
(a) saturation (b) evaporation
(c) condensation (d) precipitation
The process by which clouds change to rain is called_____________.
(a) analyzing the results of an experiment
(b) predicting the outcome of an experiment
(c) measuring the variables used in an experiment
(d) performing research before conducting an experiment
In which activity would using the Internet be most helpful?
(a) while carrying the skateboard up the hill
(b) while standing on the skateboard at the top of the hill
(c) while riding the skateboard down the hill
(d) while standing on the skateboard at the bottom of the hill
Noah carried a skateboard up a hill and then rode the skateboard down the hill. When Noah reached the bottom of the hill, he rolled to a stop. When did Noah have the most potential energy?
(a) heat and mechanical
(b) electrical and sound
(c) light and electrical
(d) heat and light
Which forms of energy are produced by a burning candle?
(a) clay (b) sand
(c) loam (d) sandy-loam
Grade Four students were asked to bring to school samples of soils that keep water for a long time. Which type of soil would that be?
(a) carbon monoxide
(b) chlorine
(c) nitrogen
(d) iron oxide
Many human activities, such as driving a car, cause the release of air pollutants. Which substance is a common air pollutant when driving a car?
(a) rain water and river water
(b) ground water and surface water
(c) deep water and shallow water
(d) cold water and hot water
The two sources of water in nature’s water cycle are _____.
(a) Solar power is easy to store.
(b) Solar power is readily available.
(c) Solar generators can produce energy at all times.
(d) Solar generators can produce very large amounts of energy.
Stanley helped his mother install a solar generator on the roof of their home. Which statement best explains the advantage of using a solar generator?
25 questions / science science science science science
suspension is a heterogeneous mixture made of parts that separate upon standing
what is suspension
emulsion is a suspension of two liquids that usually do not mix together
what is emulsion
the periodic table is a chart that shows the element in order of increasing atomic number
what is periodic table
the molecule is the smallest particle of a compound that still has all the qualities of that compound
what is molecule
temperature is a measurement of how hot on cold something is
what is temperature
sublimation occurs when a substance changes directly from a solid to a gas without going through a liquid state
what is sublimation
melting point a solid that is a pure substance has a characteristic
what is melting point
freezing point the temperature at which a liquid freezes
freezing point
the temperature at which a liquid becomes a gas
boiling point
is the process by which a liquid change to a gas
vaporization
pressure
altering the size shape or state of a substance without forming a new substance
physical change
a physical combination of two on more substance that blend together without forming new substances
mixture
is a stable mixture in which small fine particles of one material are scattered throughout another material blocking passage of light without setting out
colloid
a homogeneous mixture of one substance dissolved in another
solution
are mixtures of one or more metals with other solids
alloys
is a physical property of solutes in different solvents
solubility
separates the parts of a mixture by vaporization and condensation
distillation
chemical bonds
produce new substances with chemical properties that are different from those of the original substances
chemical changes
a substance present before a chemical change
reactant
a substance produced by a chemical change
product
use letters and numbers to represent the amounts of reactants the amounts of reactants and products involved in ac chemical change
chemical equation
reactions that release energy
exothermic
endothermic
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25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
25 questions / Earth Science Physical Science Space Science Life Science General Science
25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
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25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
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25 questions / Earth Science Physical Science Space Science Life Science General Science
25 questions / Earth Science Physical Science Space Science Life Science General Science
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25 questions / Science 1 Science 2 Science 3 Science 4 Science 5
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