Name: Date:

Student Exploration: Cell Types

Vocabulary: ATP, bacteria, carbon dioxide (CO2), cell, cellular respiration, compound light

microscope, eukaryote, multicellular, muscle cell, neuron, organelle, photosynthesis, prokaryote,

protist, red blood cell, root hair cell, tissue, unicellular, white blood cell

Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. How do you know if something is alive? Describe some of the characteristics of living things.

2. Humans, plants and mushrooms are all alive. What do these organisms have in common?

Gizmo Warm-up

In the Cell Types Gizmo, you will use a light microscope to compare and

contrast different samples. On the LANDSCAPE tab, click on the Elodea leaf.

(Turn on Show all samples if you can’t find it.) Switch to the MICROSCOPE

tab to observe the sample as it would appear under the microscope. By

default, this microscope is using 40x magnification.

1. Drag the Coarse focus slider until the sample is focused as well as possible. Then, improve

the focus with the Fine focus slider. What do you see?

2. Select the 400x magnification. If necessary, adjust the fine focus. Now, what do you see?

The individual chambers you see are cells, the smallest functional unit of an organism.