Controlled Experiment Review

What is the definition of quantitative data?

• Data recorded as observations
• An idea that can be changed with evidence
• Dat that proves or disproves a claim
• Data recorded as numbers

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

A good hypothesis is based on previous knowledge and is testable.

• True

• False

Which of the following is NOT a good example of a hypothesis?

• If I eat more vegetables then I will lose more weight.

• Dropping 6 mentos into Sprite will make the largest fountain reaction.

• If 50 mL of water are added to my plants each day and they grow, then adding 100 mL of water each day will make them grow even more.

• Lightning is caused by spooky ghosts.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?

• Type of plant, amount of music, and sunlight
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

There are two types of data. Which type of data involves descriptions that cannot be counted or measured?

• qualitative
• quantitative

Experiment: How does watching TV during studying affect a student’s test grades?

The students grades are the ___________ variable.

• independent
• dependent

Experiment: Do roses grow more in height in partial or direct sunlight?
The growth height is the ____________  variable.

• independent
• dependent

Tags

NGSS.MS-LS1-5