What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Tags

NGSS.MS-PS1-1

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

Information you gather using your five senses is called

• an observation

• an inquiry

• a fact

• knowledge

Which one describes scientific knowledge?

• clear questions asked by scientists

• what we know about the world

• how scientists get answers to their questions

• measurements made with our senses

Tags

NGSS.HS-LS1-1

NGSS.HS-PS1-2

NGSS.HS-PS4-3

Which of these BEST represents scientific inquiry?

• The results cannot be repeated.

• The results can be repeated only by you

• The results can be repeated by you and others

• The results only come from asking a very tough question

Tags

NGSS.HS-PS2-5

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

Every enzyme has a optimal temperature and pH. True or False?

• True 
• False