ACT Prep Passage 1 – Ecological Succession Begin when the bell rings WARM UP ACT Prep Passage 1 – Ecological Succession Begin when the bell rings

The Big Bang Theory

Metric Prefix Conversions

The Metric Steps Kilo- BASE UNIT Deci- Centi- Milli- Micro- Nano-

Prefix Values Prefix Conversion Nano- 1000 n__ = 1 µ__ Micro- Milli- 1000 m__ = 1 ____ Centi- 100 c__ = 1 ____ Deci- 10 d__ = 1 ____ BASE UNIT (g, L, m, etc.) Kilo- 1 k__ = 1000 ___

Converting Between Prefixes Factor-Label Method Use prefixes as conversion factors 3.75 meters x 1 kilometer 1 1000 meters Convert prefixes in steps To convert km into nm km to m, m to mm, mm to µm, µm to nm

WRAP UP Which is larger: 211 mm or 41.4 cm? Convert… 3.2 ng into g 275 km into cm