1. In Meters: How tall is a human? How long is an elephant?
Scientific Notation
In Meters:
How tall is a human?
How long is an elephant?
How long is a blue whale?

2. Human 1. 75 meters (5 feet 9 inches) (175 cm) Elephant 9-10 meters
Human meters (5 feet 9 inches) (175 cm) Elephant meters Blue Whale 30 meters  

3. Earth 7,926 miles across (12,755 km) Jupiter 142,806 km

4. Scientific Notation From Earth to Moon 384,400 km (230,600 miles)
From Earth to Mars 54,600,000 km
From Earth to Jupiter 62,800,000 km
Size of the Milky Way (100,000 light years)
950,000,000,000,000,000 km

5. Scientific Notation
Mosquito 15mm (1.5 cm)
(0.6 inch)

6. Scientific Notation
Amoeba cm
Virus cm

7. Scientific Notation
Nitrogen atom (0.70 Å) cm