Scientific Investigation

the factor that is changed by the scientist in a science experiment.

• dependent variable

• independent variable

• constant

• hypothesis

observations that are made using numbers or measurements.

• quantitative data

• variable

• qualitative data

• constant

Tags

NGSS.MS-PS3-1

the factor that is measured in the science experiment.

• constant

• independent variable

• hypothesis

• dependent variable

A well designed experiment should be able to be repeated.

• true

• false

Tags

NGSS.MS-PS2-5

Counting the number of barnacles on a boat would be what type of data?

• qualitative

• quantitative

• quick

• quiver

Describing the barnacles on a boat would be what type of data?

• qualitative

• quantitative

Which of the following is a testable hypothesis?

• Roses are more beautiful than violets.

• A plant needs at least five hours of sunlight per day to grow.

• Ice cream is delicious.

• Humans will someday land on Mars.

Grace wanted to see if her plants would grow faster if they were placed under an artificial growing lamp instead of sunlight. She placed half of her plants in a room with two windows and an artificial growing lamp. She placed the other half of the plants in a room with six windows. What is one major mistake Grace made when setting up this experiment?

• The plants receiving light from the artificial lamp were placed in different sized containers.

• All of the plants received equal amounts of fertilizer.

• All of the plants were watered the same amount.

• She used two different kinds of plants

Tags

NGSS.MS-LS1-5

The mass of a rock was taken on a triple beam balance and the measurement is shown. What is the mass of the rock?

• 436.0 g
• 436.8 g
• 430.6 g
• 437.0 g

Isaac's family went on a trip to Africa and visited the Plains and Acacia Savannahs for  five straight days. Isaac decided to keep a count of the total number of Wildebeest he saw each day and created the chart above. What is missing from his chart?

• The chart needs to have an appropriate title.
• The chart needs to have the actual location where the wildabeest were counted.
• The chart needs to indicate how many wildebeests are represented in one wildebeest picture.
• The X-axis needs to be labeled with the days he visited the area.

Tags

NGSS.MS-PS3-1