Nature of Life

A controlled experiment is one in which

• all possible variables are tested.

• only one variable is tested.

• All variables are intentionally changed.

• a hypothesis is not allowed.

The independent variable is

• the variable that is observed and responds.

• the variable that stands alone.

• the variable that is deliberately changed.

• One of the many variables in the experiment that are measured.

By measuring the height of a tortoise, a scientist would be gathering

• qualitative data

• an inference

• quantitative data

• independent variables

People buy more drinks on ____ than any other day.

• Monday
• Tuesday
• Thursday
• Friday

Tags

CCSS.5.G.A.2

Which statement is an inference about this picture?

• The van is tan.
• The  van ran into KFC. 
• The driver was hungry. 
• Red and white are part of the KFC building. 

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 is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth
• Color of the plant's leaves

Tags

NGSS.MS-LS1-5

What step does the scientific method begin with?

• hypothesis

• question/problem

• procedures

• conclusion

Which of the following is not a requirement of living things?

• Growth

• Movement

• Breathing

• Reproduction

What SI unit is used to measure length?

• meters

• liters

• centimeters

• kilograms

Tags

CCSS.4.MD.A.1

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs