IXL Science Practice

Grade 7

  1. Science practices and tools
    1. Identify the steps of the scientific method

     B. Designing Experiments
             1.Identify control and experimental groups
             2.Identify independent and dependent variables
             3.Identify the experimental question
             4. Identify questions that can be investigated with a set of materials

      M. Classification and scientific names

              1. Identify common and scientific names

              2. Origins of scientific names

              3. Use scientific names to classify organisms

      O. Cells

            1. Understanding Cells

            2. Identify functions of plant cell parts

            3. Identify functions of animal cell parts

            4. Plant Cell diagrams- label parts

            5. Animal cell diagrams- label parts

            6. Compare cells and cell parts

      Q. Genes to Traits

            2. Genetics vocabulary: genotype and phenotype

            3. Genetics Vocabulary: dominant and recessive

            5.  Complete and interpret Punnett squares

            6. Use Punnett squares to calculate ratios of offspring types

            8. Genes, proteins, and traits: understanding the genetic code

        R. Adaptations and natural selection

           2. Introduction to natural selection

           5. Construct explanations of natural selection

        S. Fossils

           New! Compare fossils to modern organisms
           1.Compare ages of fossils in a rock sequence

  1.  U. Photosynthesis

       1. How do plants use and change energy?

       2. Identify the photosynthetic organism

      CC. Water Cycle

    1.      Label the parts of water cycle diagrams

    2.      Select parts of water cycle diagrams

       HH. Units and measurement

    1.      Choose metric units of distance, mass, and volume



Grade 5 Practice

I. Classification

          1. Identify mammals, birds, fish, reptiles, and amphibians

          2. Identify vertebrates and invertebrates

          3. Use evidence to classify mammals, birds, fish, reptiles, and amphibians

          4. Use evidence to classify animals

          5. Describe, classify, and compare kingdoms

L. Plants

      3. How do plants make food?

W. Units and Measurement
      2. Choose metric units of distance
      4. Choose metric units of mass
      6. Choose metric units of volume