Jeopardy Review: Unit 1

Conversions

100

Convert 500 centimeters to decimeters

50.0 dm

200

What is longer? 100km or 1,000,000 meters?

1,000,000 meters

300

Convert 3.0x10^-5 kg to mg

30 mg

400

There were 1.3x10¹² mg of salt in Sandy's pasta water, how many grams of salt were there? 

1,300,000,000.0 g OR 1.3x10⁹ g 

500

Which is heavier? 9.3x10^-2 kg or 9.3x10² hg?

9.3x10² hg

Scientific Notation

100

Is the following expression written in scientific notation? If not, explain why. 3.25 + 10^-7

No, it should be multiplied, not added.

200

The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.

1.9 x 10^27

300

The mass of a Monarch butterfly is about 9.5 x 10^-3. Write this number in standard form.

.0095

400

The size of the Sahara desert is about 3.629 x 10^6 square miles and the Arabian desert is about 9 x 10^5 square miles. Which desert is larger? Explain how you know.

Sahara, because the exponent is bigger.

500

The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 10^8, Arctic Ocean - 1.323 x 10^7, Atlantic Ocean - 1.061 x 10^8, Indian Ocean - 7.49 x 10^7

Arctic, Indian, Atlantic, Pacific

Miscellaneous

100

Name an object we used to measure distance in lab

Meter stick 

200

Is the following number written in scientific notation? Why or why not? 13.79 x 10^7

No, 13.79 is greater than or equal to 10.

300

What is the formula for Denisty?

D = mass / volume

400

What do the absolute value bars mean in the percent error equation?

Negative changes to postive

500

What is the percent error formula by memory

%E = ( |measured-accepted| /accepted ) x 100

                

Standard Notation

100

The mass of a basket ball is 1.25x10² g. Write this number in standard form

125 g 

200

How many decimal places (and in which direction ) would you move if your exponent is -13?

13 to the left

300

Convert 1.2033 x 10¹⁴ to standard notation

120,330,000,000,000

400

5.672x10^-9 in standard notation

0.000000005672

500

2.0x10¹ + 1.0x10² = ???

(change the numbers out of scientific notation before doing the math)

120