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WorksheetsCCRA Science
Total questions: 25
Worksheet time: 25mins
Which of the following statements best describes the composition of air?
air is only made up of nitrogen
air is only made up of oxygen
air is only made up of carbon dioxide
air is made up of a combination of different gasses
The scientific name for an organism is made from the:
class and family name
genus and species name
domain and kingdom name
kingdom and phylum name
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
is a base.
has a neutral pH.
is an acid.
does not have a pH.
What is the Nitrogen Cycle?
The process where nitrogen passes from air to soil to organisms and back to air or soil
The process where nitrogen is distributed to us
The process where Nitrogen is made to help plants and animals
How much of the ocean is pure water?
79%
100%
96%
4%
Energy of motion is which type of energy?
Potential
Kinetic
Sound
Gravitational
On a roller coaster, where is maximum kinetic energy?
At the bottom of a big hill
When going around a corner
When going upside down
At the top of a big hill
Which is a example of an abiotic factor?
panda
turtle
butterfly
weather
Which is an example of a biotic factor?
skunk
rocks
soil
water
If you travel to the moon will your mass be greater than, less than, or the same as on Earth?
greater
same
less
What?!
What is the part of the atom that has protons and neutrons?
neutron
nucleus
energy level
electron
What is the smallest piece of an element?
atom
molecule
element
proton
This variable in an experiment is the one being deliberately changed by the scientist.
dependent variable
independent variable
data
control group
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____ .
Diameter of the ball
Force acting on the ball
Height that the ball bounces
Height from which the ball is dropped
Which is NOT a step in the scientific method?
Make observation
Form a theory
Collect data
Form a hypothesis
Where do plants get the majority of their nutrients from?
Photosynthesis
The soil
Other organisms
The seed
Which of these processes requires an input of energy?
Active Transport
Diffusion
Osmosis
Absorption
What is lost or gained in a redox reaction?
atoms
ions
protons
electrons
What is velocity?
the quickness of an object
the location of an object
acceleration
speed in a specific direction
What is the primary gas found in Earth's atmosphere?
Nitrogen
Oxygen
Carbon Dioxide
Argon
Which of the following is a chemical change?
Melting ice
Boiling water
Burning wood
Breaking glass
What is the process by which plants make their own food using sunlight?
Photosynthesis
Respiration
Transpiration
Fermentation
Which of the following best describes the function of the mitochondria in cells?
Protein synthesis
Energy production
Photosynthesis
Cell division
What is the chemical formula for table salt?
NaCl
KCl
CaCO3
H2O
Which of the following is an example of a renewable energy source?
Coal
Natural Gas
Solar Power
Nuclear Power
