Words with the prefix- Re
Words with the prefix-un
Mathematics- multiplication
Mathematics- fractions
Science
100

To think again

Rethink

100

To not do

Undo

100

What is 75 x 5

375

100

What is 25/4?

6 1/4

100

The percentage of water on Earth

97%

200

To read again

Reread

200

To not tie

Untie

200

What is 75 x 10

750

200

What is 39/5?

7 4/5

200

What is an aquifer? 

Layers of rock that hold water.

300

To build again

Rebuild

300

Not afraid

Unafraid

300

What is 125 x 5

625

300

What is 32/3?

10 2/3

300

What are Earth's Layers composed of?

Inner core, Outer Core, Mantle, Crust

400

To appear again

Reappear

400

Not comfortable

Uncomfortable

400

What is 125 x 10

1,250

400

What is 43/11?

3 10/11

400

This type of rock is made from molten material, cools down, then hardens creating a luster that looks like glass. 

Igneous Rock

500

To visit again

Revisit

500

Not able

Unable

500

What is 150 x 5

750

500

What is 76/10?

7 6/10 or 7 3/5

500

Name the four Subsystems of Earth and describe the characteristics of each one.

Atmosphere: Water or Gas

Geosphere: Continental Crust, land, rocks, metals

Biosphere: Humans, Plants, Animals, Microorganisms

Hydrospehre:Water, Oceanic Crust, Glaciers, Ice caps