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8thGrade lifeScience
Life Science
Question | Answer |
---|---|
Which is NOT a main idea of the cell theory? | The cell is the smallest unit of life |
Which is NOT one of the 6 main kinds of atoms that make up the molecules of living things? | Lead |
What substance makes up most of your body's mass? | Water |
Sugar, Starch, Cellulose, and chitin are all types of? | Proteins |
What is a difference between the cell membrane and the cell wall? | The cell membrane is selectively permeable, but the cell wall allows substances to pass threw freely |
The slope of a line on a speed-time graph is equal to the________of an object? | Acceleration |
Which does bot define a reference direction relative to a reference point? | +5 cm |