sci method quiz

What problem is the gardener investigating?

• She wants to know why her plants aren't growing like they did last year. 
• She wants to determine which fertilizer is the best one for her plants to grow. 
• Which fertilizer will help my plants grow faster this year? 
• Will fertilizer help my plants grow? 

What is the gardener's independent variable? 

• The different types of fertilizer
• The different types of plants
• The different types of pots
• The different amount of water 

What is the gardener's dependent variable? 

• The plant's rate of growth overnight
• The plant's change of color overtime
• The plant's change in height over 8 weeks
• The plant's height after 6 weeks 

Which hypothesis would work best for this experiment?

• If fertilizer is added to my plants, then it will help them become greener. 
• If fertilizer is added to my plants, then it will help them become stronger. 
• If fertilizer is added to my plants, then it will help them grow faster. 
• If fertilizer is added to my plants, then it will make my plants smell better. 

Which of the following is NOT something that the gardener is keeping constant in this experiment? 

• Type of pot 
• Type of soil
• Amount of water 
• Type of fertilizer 

What is the gardener's control group? 

• The plant that did not get fertilizer
• The plants with fertilizer 
• The seeds
• The amount of water 

Which of the following is an observation that the gardener could make from her data table? 

• Fertilizer C is the fastest growing fertilizer. 
• Fertilizer A had the fastest results in plant growth. 
• The no fertilizer option was better than fertilizer C. 
• The fastest growing plant was the one with fertilizer B. 

Which of the following is the best summary of the gardener's data after eight weeks? 

• The fastest growing fertilizer was option B with A close behind it. 
• The fertilizer had no effect on the plant's growth over the eight weeks. 
• The best priced fertilizer is option C because it was the closest to soil. 
• The fastest growing fertilizer was option A with B right behind it. 

What possible error could the gardener have in her experiment?

• The plants did not get enough sunlight.
• The one plant that wasn't given fertizlier wasn't given the same care as the other plants. 
• She was told that fertilizer A had been known to grow plants the best.
• She kept accurate records and data for eight weeks. 

A "hypothesis" is always written as a ____________________.

• question
• analyzation
• communication
• an "If" . . . . "then" statement.