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Tenth Grade (Grade 10) Science Questions

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Grade 10 Periodic Table and Elements
Which statement about nitrogen and phosphorus is not correct?
  1. Both are in the same group of the Periodic Table.
  2. Both are in the same period of the Periodic Table.
  3. Both are non-metals.
  4. Both have the same number of electrons in their outer shell.
Grade 10 Scientific Method
A characteristic of a scientific theory is that it
  1. cannot be modified.
  2. states that something is true.
  3. can never be proven.
  4. explains a broad set of observations.
Grade 10 Matter
The following indicates a change in the state of matter.
  1. cooling
  2. drying
  3. melting
  4. warming
Grade 10 Lab Practices and Tools
When testing for odors, what technique should be used?
  1. allowing your partner to sniff it first
  2. using a wafting motion (gently waving hand towards nose)
  3. inhaling gently
  4. asking the teacher to do it for you
Grade 10 Scientific Method
The first step in the scientific method is to
  1. construct a hypothesis.
  2. do background research.
  3. communicate results.
  4. ask a question.
Grade 10 Atomic Structure
Which statement describes isotopes?
  1. Isotopes of the same element have different electron arrangements.
  2. Isotopes of the same element have different nuclear charges.
  3. Isotopes of the same element have nuclei with masses that are the same.
  4. Isotopes of the same element have the same number of protons
Grade 10 Cell Structure and Function
The image below represents a phase of mitosis. Which phase is represented by the image?
Cell Metaphase
  1. anaphase
  2. interphase
  3. telophase
  4. metaphase
Grade 10 Periodic Table and Elements
The alkaline earth metal in period 5 is                .
  1. Vanadium
  2. Niobium
  3. Rubidium
  4. Strontium
Grade 10 Heat Transfer
What property of an object is related to the average kinetic energy of the particles in that object?
  1. gravity
  2. specific heat
  3. temperature
  4. conductivity
Grade 10 Macromolecules
Carbohydrates are made up of the three elements of
  1. nitrogen, oxygen, and hydrogen.
  2. carbon, hydrogen, and oxygen.
  3. sulfur, hydrogen, and oxygen.
  4. nitrogen, phosphorus, and oxygen.
Grade 10 Energy and Momentum
Three forms of energy are                                        .
  1. chemical, exothermic, and temperature
  2. chemical, thermal, and electromagnetic
  3. electrical, nuclear, and temperature
  4. electrical, mechanical, and endothermic
Grade 10 Scientific Method
A hypothesis is an educated guess that must be
  1. testable.
  2. proven true.
  3. made into a theory.
  4. made into a law.
Grade 10 Scientific Method
Data that agrees or disagrees with a prediction is                      .
  1. science
  2. an experiment
  3. the scientific method
  4. evidence
Grade 10 Macromolecules
Which biological polymer is made of bonded amino acids?
  1. protein
  2. amino acid
  3. DNA
  4. sugar cube
Grade 10 Food Chains and Webs
Any organism that must obtain its food from a source outside itself is a(n)
  1. autotroph.
  2. heterotroph.
  3. parasite.
  4. saprophyte.
Grade 10 Cell Structure and Function
Which statement is true about structure M shown in the plant cell?
Plant Cell
  1. M is the cell membrane and is also found on animal cells.
  2. M is the cell membrane and is not found on animal cells.
  3. M is the cell wall and is also found on animal cells.
  4. M is the cell wall and is not found on animal cells.
Grade 10 Scientific Methods and Applications
A(n)                 is an explanation or representation of something that cannot be seen.
  1. element
  2. model
  3. phase
  4. specimen
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