atomic theory quiz

2.53 L is equal to

• 0.253 kl

• 25 300 ml

• 253 ml

• 2530 ml

How would you write micrometers with symbols

• mm

• $\mu m$

• microm

• none of the above

What is the correct SI unit for mass?

• Kilograms
• newtons
• pounds
• grams

The SI unit for temperature is __?__.

• degree fahrenheit  (° F)
• degree celsius  (° C)
• kelvin  (K)
• degree centigrade  (°C)

The SI unit for time is the __?__.

• hours (h)

• liter (L)

• gram (g)

• second (s)

What SI unit is used to measure length?

• meters

• liters

• centimeters

• kilograms

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

Which of the following scientific notation is CORRECTLY formatted?

• 4.20 x 10⁻³ cm

• 89.0 x 10⁴ mL

• 7.0 m x 10⁹

• 0.75 x 10¹ g

Provide the answer to the operation:

(7.43 x 10³ cm) x (8.0 x 10² cm)

• 5.9 x 10⁶ cm²

• 6.0 x 10⁶ cm²

• 5.94 x 10⁶ cm²

• 5.9 x 10⁶ cm