States of Matter
Elements
Science General Knowledge
Chemistry in Real Life
100

The three most common states of matter

What are solid, liquid and gas?

100

Name the two elements that are in the H2O formula. 

Oxygen and Hydrogen. 

100

Name the chemical formula of water. 

H2O

100

Chemical process by which plants produce their own food. 

What is photosynthesis? 

200

State of matter that has a definite shape 

What is solid?

200

The gas we breathe to survive

What is Oxygen?

200

Force that pulls objects towards earth



What is gravity? 


200
Element that makes up most of the sun. It starts with an H. 

What is hydrogen? 

300

State of matter that flows and takes the shape of its container

What is liquid?

300

Chart that organizes all known chemical elements

What is the periodic table? 


300

The green pigment in plants that helps with photosynthesis.

What is clorophyll? 

300

 Chemical used in swimming pools to kill germs. 

What is chlorine? 

400

State of matter in which particles move very fast 

What is gas? 

400

Name three elements

Oxygen, Hydrogen, Helium, Lead, Carbon, Fluorine, Phosphorus, Barium, Bromine, Chlorine, Etc.

400

The molecule that contains all of our genetic information.

What is DNA? 

400

Table salt is a chemical. True or False.

True

500

The change from liquid to gas

What is evaporation?

500

True or False. Gold is an element.

True.

500

The largest organ in the human body. 

What is the skin? 

500

Gas that humans breathe out (also the gas that makes soda fizzy)

What is carbon dioxide?