GEOGRAPHY
replace and simplify
Scientific Method
EQUATIONS
Order of Operations
100

The imaginary line that divides the Earth into Northern and Southern Hemispheres.

Equator

100

If y =5, simplify the expression.

14 + y 


19

100

The things you use to do an experiment

Materials

100

solve for y

 y + 7 =22

y =15

100

(2 + 7) - 4 + ( 3 +6) = 

14

200

The ocean between South America and Africa.

Atlantic Ocean

200

If y = 4, simplify the expression.

5y - 17

3

200

the steps, in order, that you follow to do the experiment

Procedure

200

solve for w

9 - w = 5

w = 4

200

4 x 5 + 30 - 2 x 3 = 

44

300

The Southernmost continent

Antarctica

300

If y = 20, simplify the expression.

3y + (6 -3)

63

300

The information that you gather in an experiment

Data

300

solve for t

6t + 5= 47

t = 7

300

6(3 + 2) - 29 =

1

400

The Ocean between North America and Asia

Pacific

400

If y = 9, simplify the expression.

25 - 4 + 2y

39

400

What you see, hear, smell, feel, taste, or count while doing an experiment

Observations

400

solve for x

   x - 10 + 12 = 52

x = 52

400

9 + 4(5) - (16 -6) + 3 =

22

500

Lines of latitude and longitude are measured in these.

Degrees

500

If y = 6 and w = 4, simplify the expression.

2y +3w

24

500

A possible explanation for your scientific question; not a prediction

Hypothesis

500

25 - 2 + 2y = 37

Y =7

500

(3 x 5 ) - (2 x 7) + ( 5 + 2)=

8