Chem Sem 1 Final Review - Units 1 &2

Convert from meters to cm:  9 meters

• 900 cm
• 90 cm
• 0.9 cm
• 0.09 cm

1000 grams = _____ kilograms

• 0.0001
• 1,000,000
• 10
• 1

3.85 hg = _____ cg

• 38,500

• 3,850

• 38.5

• 0.000385

How many kilograms of calcium are there in 173 pounds of calcium? (1 lb = 454 g; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Change from standard form to scientific notation: 0.004078

• 4.078  x  10^-3
• 4.078  x  10³
• 40.78  x  10^-4
• .4078  x  10^-2

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹
• 3.8 x 10¹
• 3.008 x 10¹²
• 2.9375 x 10¹

Does the amount of sunlight affect plant growth? What would be the best hypothesis?

• If you change the amount of light, then the plant growth will change.

• If I increase the amount of sunlight, then the plant growth will change

• If I increase the amount of sunlight, then plant growth will decrease.

• If I use sunlight, there will be plant growth.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Does the amount of sunlight affect plant growth? What is the IV?

• amount of sunlight

• plant growth

• type of sunlight

• area tested

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Does the amount of sunlight affect plant growth? What is the DV?

• amount of sunlight

• plant growth

• type of sunlight

• area tested

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1