Science · Lesson 1
Scientific Method & Measurement
Science is a systematic process for asking and answering questions about the natural world. The scientific method provides a repeatable framework, while precise measurement ensures results can be trusted and shared.
Quick Check
1. In an experiment testing how fertilizer affects plant growth, what is the independent variable?
Plant height
Amount of fertilizer
Amount of sunlight
Type of plant
2. A hypothesis must be:
Correct
Testable and falsifiable
Based on at least 10 experiments
Proven by prior research
3. How many significant figures are in 0.00450?
5
3
6
2
4. The SI unit of temperature is:
Celsius
Fahrenheit
Kelvin
Rankine