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Lesson 64 of 84 · Information Processing
ExperimentTaste and Smell: Chemical Senses (Part 4)
What You'll Learn
Taste buds on the tongue detect five basic tastes: sweet, salty, sour, bitter, and umami. Smell greatly enhances the sense of taste, which is why food seems bland when you have a cold.
Key Words
- muscle
- nerve
- brain
Materials Needed
- mirror
- stethoscope (toy)
- sponge
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Review the background information on Information Processing before starting.
Step 2 — Do
Build a model of the respiratory system using a plastic bottle, balloons, and a straw. Show how the diaphragm helps you breathe.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What are the five basic tastes?