Biology Unit 1

In chemical reactions, atoms are

• created

• destroyed

• rearranged

• neutralized

Tags

NGSS.HS-PS1-7

A strong acid would have a pH of

• 2

• 6

• 8

• 13

A weak acid would have a pH of

• 2

• 6

• 8

• 13

A strong base would have a pH of

• 2

• 6

• 8

• 13

A weak base would have a pH of

• 2

• 6

• 8

• 13

Which of the following is NOT a category of organic compounds

• Carbohydrates

• Lipids

• Glycerols

• Proteins

• Nucleic Acids

True or False. Scientists generate hypotheses by using logical inference

• True

• False

True or False. Scientists generate hypotheses by using their informed and sometimes creative imaginations

• True

• False

True or False. Scientists generate hypotheses based on feelings about what they want to happen

• True

• False

What is a molecule of water made of?

• one hydrogen & one oxygen

• one sodium & one chlorine

• one hydrogen & two oxygen

• two hydrogen & one oxygen

Tags

NGSS.MS-PS1-1