Biology Semester 1 Review

 Bob wants to see if red M&Ms melt faster than blue ones. Which hypothesis is he testing?

• If M&Ms are heated, the color will change melting time. 
• If M&Ms are heated, the size will change melting time
• If M&Ms are heated, the air temp will change melting time.
• If M&Ms are heated, the procedure will change melting time.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is treated the same , but not exposed to the manipulated variable?

• Dependent Variable
• Independent Variable
• Controlled Variable 
• None of the above

 A farmer wants his chicks to gain weight faster. Which of these questions are most relevant?

• What is the average lifespan of a chick?
• How many steps a day do chickens take on average?
• What type of food causes maximum weight gain?
• What breed of chicken weighs more?

A solution is a _________ in a ________.

• solvent; solute
• solute; solvent

Which step typically comes first in the scientific method?

• graph your data
• ask a question
• analyze your data
• make a hypothesis

What do macromolecules all have in common? 

• None of them contain phosphates.
• They all contain C, H O and N.
• They are all polymers made of monomers
• None of the above.

. If people are given various amounts of vitamins, then those with more vitamins will live longer

• IV = how long the person lives
• IV= the amount of vitamin given 
• IV= age of the person
• IV= type of vitamin

Lori is studying the water level changes over 10 yrs. What's the best way to display her data? 

• pie chart
• bar graph
• table
• line graph

Which of the following is NOT correct?

• The IV is changed by the DV. 
• The DV is effected by the IV.
• The IV is manipulated so changes in the DV can be recorded.
• The IV is changed by the experimenter.

A building block of DNA.

• amino acid
• nucleotide
• monosaccharide
• fatty acid