Presentation on theme: "AHSGE Review Directions: Copy the following slides."— Presentation transcript:
AHSGE Review Directions: Copy the following slides.
Standard 1 Select appropriate laboratory glassware, balances, time measuring equipment, and optical instruments to conduct an experiment.
Standard 1: Definitions Scientific method: process for investigating and understanding the natural world Control: the variables within an experiment that do not change. Responding (dependent) variable: variable that is observed and that changes in response to the manipulated variable Manipulated (independent) variable: the variable that is deliberately changed in an experiment
SI Units: version of the metric system used in science; International System of Units Meters: SI unit for length Grams: SI unit for mass Liters: SI unit for volume Celsius: SI unit for temperature
Observation: process of gathering information using the senses Data: information gathered from observations Inference: conclusion drawn from experiences and prior knowledge Hypothesis: proposed scientific explanation for a set of observations; educated guess Theory: well-tested explanation for an observation
Microscopes If the ocular lens of a compound microscope is labeled 10X and the objective lens being used is labeled 40X, what is the total magnification of the object being viewed? An electron microscope creates images using streams of electrons. Rather than observing the image through lenses, the EM sees images on a screen. Why can’t EMs be used to look at live specimen?
Standard 1: Continued Complete handouts and place in the “AHSGE Review” section of your notebook. Describing the steps of the scientific method. Identifiy the parts of an experiment
Complete the group activity dealing with lab procedures and symbols Identify laboratory procedures and symbols
Complete the overhead questions for SI units. Use appropriate SI units for measuring mass, length, and volume. Convert SI units.
Standard 1 Quiz You have 15 minutes to complete the quiz. You may use your notes from the AHSGE section of your NB. When you complete this quiz, turn it over and complete the assignment on the board. We will grade this in class.
Standard 2: Look at the drawings of the plant and animal cells. Create a chart to list the structures that plant cells have and animal cells do not.
Match the molecule with its function. Copy the molecule with the correct description. Carbohydrates Proteins Lipids Nucleic acids Store and transmit genetic information Main source of energy in living things Regulate cell processes, build bone and muscle Found in membranes and waterproof coverings
Standard 3 Identify the reactants and products associated with photosynthesis and cellular respiration and the purposes of these two processes.
Standard 3: Vocabulary Chemical reaction: process by which chemical changes occur Glucose: a sugar molecule that is a major energy source for most cells; produced by the process of photosynthesis Chemical energy: energy that is stored in the chemical composition of matter
Photosynthesis: process by which green plants and other producers use simple compounds and energy from light to make sugar Cellular respiration: process in which cells use oxygen to release energy stored in sugars
Chlorophyll: a light absorbing chemical, a pigment, that traps the energy in sunlight and converts it to chemical energy Fermentation Fermentation: a chemical process by which cells release energy from sugar when no oxygen is present
Standard 3: Outline All cells need energy. All cells use chemical energy. Chemical energy is stored in the bonds between atoms. A major source of energy is glucose. Some cells capture light energy.
Chemical reactions take place inside cells. All cells are made of the same elements. About two-thirds of every cell is water. Large molecules support cell function. Carbohydrates, lipids, proteins, nucleic acids Cells capture and release energy. All cells need energy. Some cells capture light energy. All cells release energy. Cellular respiration, fermentation, energy and exercise.
Standard 3: Chemical reactions take place inside cells. Write whether each statement is true for animal cells, plant cells, or both. They need energy to sustain life. They have organelles. They have cell walls. Materials move across the cell’s membranes. Match the definitions to the terms. Definitions Proteins, lipids, and carbohydrates Lipid layers that repel water Source of chemical energy Terms Cell membrane Glucose Large molecules
Standard 3 Quiz Standard 3 notes Standards 1 and 2 review
Standard 4 Describe similarities and differences of cell organelles, using diagrams and tables. Identify scientists who contributed to the cell theory. (Hooke, Schleiden, Schwann, Virchow, van Leeuwenhoek) Distinguish between prokaryotic and eukaryotic cells. Identify various technologies used to observe cells. (light microscope, scanning electron microscope, transmission electron microscope)
Complete the work sheet using p. 59 in the textbook.
Match the definition with the correct term. Definitions: A cell with no nucleus A cell with a cell membrane and a nucleus A device used for viewing microorganisms Terms Eukaryotic Prokaryotic Microscope Telescope
Standard 4 Identify cells, tissues, organs, organ systems, organisms, populations, communities, and ecosystems as levels of organization in the biosphere. Recognizing that cells differentiate to perform specific functions: Ciliated cells to produce movement, nerve cells to conduct electrical charges
Standard 5 Identify cells, tissues, organs, organ systems, organisms, populations, communities, and ecosystems as levels of organization in the biosphere. Recognizing that cells differentiate to perform specific functions.
Standard 6 Describe the roles of mitotic and meiotic divisions during reproduction, growth, and repair of cells. Comparing sperm and egg formation in terms of ploidy (Example: ploidy– haploid, diploid) Comparing sexual and asexual reproduction