Marine Science Lesson 4 Review

Marine algae are important. They provide ___.

Many useful products and benefits to humans.

What algae is used to thinken foods like jellies, yogurt, and ice cream?

Red algae

What algae is used for cosmetics?

Red algae

What algae is used for pharmaceuticals?

Red algae

What algae is used for food coloring?

Green algae

What algae is used for moisturizers?

Brown algae

What algae is used for thickeners in foods?

Brown algae

What algae is used for hair products?

Brown algae

What algae is used for tires?

Brown algae

What algae is used for bandages?

Brown alga

What algae is used for toothpaste?

Brown algae

Scientific inquiry

The process of investigation leading to discoveries, answers to questions, and opportunities to ask more questions.

Observation

The collection of information about the natural world, using one’s senses and tools to enhance human senses.

Data

Facts and info based on observations scientists recorded and collected.

Quantitative data

Quantity: Temperature, length, height, cost, levels, and measurement.

Qualitative data

Quality - Property. Examples: Appearance, taste, smell, and touch.

Inference

A logical explanation based on logic, knowledge, and experience.

Hypothesis

A testable idea about a scientific question.

Experiment

A scientific investigation due to a hypothesis.

Conclusion

What scientists will analyze.

Engineering

Scientific concepts to a new problem to design solutions and systems.