IXL Skill Plan Kentucky Academic Standards: Grade 8
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IXL Skill Plan
Kentucky Academic Standards: Grade 8
Use IXL's interactive skill plan to get up-to-date skill alignments, assign skills
to your students, and track progress.
www.ixl.com/science/skill-plans/kentucky-academic-standards-grade-8
Visit IXL.com for more information IXL Learning © 2023Kentucky Academic Standards - 8th grade
PS | Physical Sciences
Energy
8-PS3-1: Construct and interpret graphical displays 1. Use tables and graphs to identify patterns about
of data to describe the relationships of kinetic kinetic energy MRM
energy to the mass of an object and to the speed of
an object.
Visit IXL's interactive skill plan at www.ixl.com/science/skill-plans/kentucky-academic-standards-grade-8
© 2023 IXL Learning. Visit IXL.com today! p. 1Kentucky Academic Standards - 8th grade
LS | Life Sciences
Structure, Function, and Information Processing
8-LS1-8: Gather and synthesize information that 1. Science literacy: how does the nervous system
sensory receptors respond to stimuli by sending produce phantom pain? KNF
messages to the brain for immediate behavior or
storage as memories.
Matter and Energy in Organisms and Ecosystems
8-LS2-4: Construct an argument supported by 1. Use food chains to predict changes in
empirical evidence that changes to physical or populations L8A
biological components of an ecosystem affect 2. Investigate primary succession on a volcanic
island NJ2
populations.
3. Coral reef biodiversity and human uses: explore
a problem LXJ
Interdependent Relationships in Ecosystems
8-LS2-5: Evaluate competing design solutions for 1. Coral reef biodiversity and human uses: explore
maintaining biodiversity and ecosystem services. a problem LXJ
2. Coral reef biodiversity and human uses:
evaluate solutions XSU
Growth, Development, and Reproduction of Organisms
8-LS3-1: Develop and use a model to describe why 1. Genes, proteins, and traits: understanding the
structural changes to genes (mutations) located on genetic code UFY
chromosomes may affect proteins and may result in 2. Describe the effects of gene mutations on
organisms G8V
harmful, beneficial, or neutral effects to the
structure and function of the organism.
8-LS3-2: Develop and use a model to describe why Punnett squares
asexual reproduction results in offspring with 1. Genetics vocabulary: genotype and
phenotype NRK
identical genetic information and sexual
reproduction results in offspring with genetic 2. Genetics vocabulary: dominant and
recessive NRE
variation.
3. Genetic variation in sexual reproduction V6S
4. Complete and interpret Punnett squares Z74
5. Use Punnett squares to calculate ratios of
offspring types JPF
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© 2023 IXL Learning. Visit IXL.com today! p. 2Kentucky Academic Standards - 8th grade
6. Use Punnett squares to calculate probabilities of
offspring types 5JF
Life cycles
7. Angiosperm and conifer life cycles RWV
8. Moss and fern life cycles 25U
8-LS4-5: Gather and synthesize information about
the technologies that have changed the way
humans influence the inheritance of desired traits in
organisms.
Natural Selection and Adaptations
8-LS4-1: Analyze and interpret data for patterns in 1. Compare ages of fossils in a rock sequence THN
the fossil record that document the existence,
diversity, extinction, and change of life forms
throughout the history of life on Earth under the
assumption that natural laws operate today as in the
past.
8-LS4-2: Apply scientific ideas to construct an 1. Compare fossils to modern organisms BLV
explanation for the anatomical similarities and
differences among modern organisms and between
modern and fossil organisms to infer evolutionary
relationships.
8-LS4-3: Analyze displays of pictorial data to
compare patterns of similarities in the
embryological development across multiple species
to identify relationships not evident in the fully
formed anatomy.
8-LS4-4: Construct an explanation based on 1. Calculate the percentages of traits in a
evidence that describes how genetic variations of population QFH
traits in a population increase some individuals' 2. Calculate the averages of traits in a
population ER9
probability of surviving and reproducing in a
specific environment. 3. Construct explanations of natural selection SLN
8-LS4-6: Use mathematical representations to 1. Introduction to natural selection PZR
support explanations of how natural selection may 2. Calculate the percentages of traits in a
lead to increases and decreases of specific traits in population QFH
populations over time.
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© 2023 IXL Learning. Visit IXL.com today! p. 3Kentucky Academic Standards - 8th grade
3. Calculate the averages of traits in a
population ER9
4. Construct explanations of natural selection SLN
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© 2023 IXL Learning. Visit IXL.com today! p. 4Kentucky Academic Standards - 8th grade
ESS | Earth and Space Sciences
History of Earth
8-ESS1-4: Construct a scientific explanation based 1. Compare ages of fossils in a rock sequence THN
on evidence from rock strata for how the geologic
time scale is used to organize Earth's 4.6-billion-
year-old history.
Earth's Systems
8-ESS3-1: Construct a scientific explanation based
on evidence for how the uneven distributions of
Earth's mineral, energy, and groundwater resources
are the result of past and current geoscience
processes.
Weather and Climate
8-ESS3-5: Ask questions to clarify evidence of the 1. Evaluate claims about natural resource use:
factors that have caused the rise in global fossil fuels 49V
temperatures over the past century. 2. The greenhouse effect HWX
Human Impacts
8-ESS3-2: Analyze and interpret data on natural 1. Analyze natural hazard maps U6D
hazards to forecast future catastrophic events and
inform the development of technologies to mitigate
their effects.
8-ESS3-3: Apply scientific principles to design a 1. Coral reef biodiversity and human uses: explore
method for monitoring and minimizing a human a problem LXJ
impact on the environment. 2. Coral reef biodiversity and human uses:
evaluate solutions XSU
8-ESS3-4: Construct an argument supported by 1. Evaluate claims about natural resource use:
evidence for how increases in human population groundwater SM8
and per-capita consumption of natural resources 2. Evaluate claims about natural resource use:
fossil fuels 49V
impact Earth's systems.
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© 2023 IXL Learning. Visit IXL.com today! p. 5Kentucky Academic Standards - 8th grade
ETS | Engineering, Technology, and Applications of
Science
Engineering Design
MS-ETS1-1: Define the criteria and constraints of a 1. Identify parts of the engineering-design
design problem with sufficient precision to ensure a process 4B5
successful solution, taking into account relevant 2. Explore the engineering-design process: going to
the Moon! FW7
scientific principles and potential impacts on people
and the natural environment that may limit possible 3. Coral reef biodiversity and human uses:
evaluate solutions XSU
solutions.
MS-ETS1-2: Evaluate competing design solutions 1. Identify parts of the engineering-design
using a systematic process to determine how well process 4B5
they meet the criteria and constraints of the 2. Evaluate tests of engineering-design
solutions HHM
problem.
3. Explore the engineering-design process: going to
the Moon! FW7
4. Coral reef biodiversity and human uses:
evaluate solutions XSU
MS-ETS1-3: Analyze data from tests to determine 1. Use data from tests to compare engineering-
similarities and differences among several design design solutions AYN
solutions to identify the best characteristics of each 2. Coral reef biodiversity and human uses:
evaluate solutions XSU
that can be combined into a new solution to better
meet the criteria for success.
MS-ETS1-4: Develop a model to generate data for 1. Explore the engineering-design process: going to
iterative testing and modification of a proposed the Moon! FW7
object, tool, or process such that an optimal design
can be achieved.
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