Review Scientific Method

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-PS1-2

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS1-2

The independent variable is

• The variable that you change in an investigation

• The variable that you measure in an investigation

• A variable that you keep the same in an investigation

Data gathered using the senses are referred to ___________.

• quantitative data

• logical data

• measured data

• qualitative data

Tags

NGSS.MS-LS1-8

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

• Dropping the same way

• Wing Length

• Amount of time it takes the helicopter to hit the floor

• Dropping from the same height

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What are two controlled variables? (Select 2)

• Using the same type of plant

• Each plant was placed in a 10 inch pot

• The growth of the plant

• One plant is in the sunlight and the other is under a box

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?

• the paper used
• the paper airplane design
• the distance of each plane's flight
• how hard the plane is thrown

Tags

NGSS.MS-PS2-1

Select whether the following observation is quantitative or qualitative.

About 52% of a chimp's diet comes from fruit.

• quantative

• qualitative

The purpose of a controlled experiment is to allow a scientist to isolate and test-

• a single variable
• several variables
• many data
• a conclusion

Tags

NGSS.MS-PS2-2