chemistry
fossils
disease
water
random :3
100

what does c02 stand for

carbon dioxide

100

what are some examples of fossils?

dinosaurs, shark teeth, etc

100

what is a pandemic?

when a disease spreads from country to country or throughout the world

100

what is turbidity?

the amount of dirt in water

200

what is a column (vertical) on the periodic table?

the vertical columns are called families or groups, all members of a family of elements have the same number of valence electrons, and similar chemical properties.

200

what is paleontology?

the science/study of fossils of animals and plants

200

what is an epidemic?

a spread of a disease in a community, smaller spread than pandemic

200

What is ph?

the measurement of acidity in water

300

what is a row on a periodic table?

rows are known as periods or series, they are arranged on the basis of similar chemical and physical properties


300

How do we know the age of fossils?

the layer of rocks they are in

300

How can you prevent disease? 

stay clean, eat healthy, sleep, etc
300

what is the ideal temperature for water?

50

400

what does h20 stand for

water

400

how do fossils form?

sediment covers the organism, the sediment protects the remains from other animals

400

How can disease spread?

Travel, public spaces, person-to-person contact, etc

400

how much turbidity is safe for water?

turbidity shoulder not exceed 5 NTU

400

how many stripes are in the US flag?

13

500

what is the (letter) symbol for iron

FE

500

why do we study fossils?

Fossils give us a useful insight into the history of life on Earth.

500

what are antibiotics for?

to fight infections cause by bacteria

500

How much dissolved oxygen should be in water?

above 6.5-8 mg/L