Scientific Method

An experiment was designed to test if a specific vitamin would make a horse grow taller.

What would be the hypothesis for the experiment?

• Does a specific vitamin make a horse grow taller?

• The vitamin.

• If I give a horse a specific vitiamin, then it will grow taller.

• The height of the horse.

Tags

NGSS.MS-LS1-5

A student wrote in his laboratory note book. I placed a marble in a graduated cylinder of water and it sank to the bottom of the graduated cylinder.

What the student wrote in his notebeek is an example of a(n)

• Hypothesis

• Inference

• Observation

• Prediction

An experiment was designed to test if vitamins make a horse grow taller. Why should scientists use a control horse?

• To make sure the experiment is fair.

• To make the experiment less reliable.

• To compare the results of the horse who received the vitamins.

• To do it again for fun.

Tags

NGSS.MS-LS1-5

An experiment was designed to test if a specific vitamin would make a horse grow taller. What would be the independent variable?

• Does the vitamin make the horse grow taller?

• If I give a horse vitamin, then it will grow taller than the horse not given the vitamin.

• The hieght of the horse.

• The vitamin.

Tags

NGSS.MS-LS1-5

An experiment was designed to test if a specific vitamin would make a horse grow taller.

What would the dependent variable be?

• The height of the horse.

• The vitamin.

• If i give a horse a vitamin he will grow taller.

• Does a vitamins make a horse grow taller?

Tags

NGSS.MS-LS1-5

A student is trying to determine if a certain beetle will help control the population of a harmful plant species. Which sequence of steps would be best suited for this investigation?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A student examined a rock sample and described it as having particles of various colors. The student believes the rock was formed by a volcano. The student is making a(n)

• hypothesis

• inference

• prediction

• observation

• 100 mL

• 250 mL

• 50 mL

• 300 mL

 A student wants to know which brand of paper towel will absorb the most water.  She tests Viva, Bounty, Scott, Sparkle and the School Brand.

What is a possible hypothesis for this experiment? 

• Which paper towel absorbs more water?

• Scott paper towel absorbs the most water.

• How much water can a paper towel hold?

• Sparkle paper towel has the most sheets per roll.

Tags

NGSS.MS-ETS1-3

A student wants to know which brand of paper towel will absorb the most water.  She tests Viva, Bounty, Scott, Sparkle and the School Brand. 

What is the independent variable  for this experiment? 

• Type of paper towel.

• The number of sheets of paper towel used.

• The amount of water used in the experiment.