Prologue Review

In order to make observations, an observer must always use

• experiments

• the senses

• proportions

• mathematical calculations

While in the classroom during a visual inspection of a rock, a student recorded four statements about the rock. Which statement about the rock is an observation?

• The rock formed deep in the Earth's interior

• The rock cooled very rapidly

• The rock dates from the Precambrian Era

• The rock is black and shiny

A person observes a sediment consisting of clay, sand, and pebbles and then states that this material was transported and deposited by an agent of erosion. This statement is

• a fact

• a measurement

• an inference

• an observation

Tags

NGSS.MS-ESS2-2

Which statement made during a weather report is most likely an inference?

• The record low temperature for this date was set in 1957.

• Hot and humid conditions will continue throughout the week.

• The high temperature for the day was recorded at 2 p.m.

• The current barometric pressure is 29.97 in.

A prediction of next winter's weather is an example of

• a measurement

• a classification

• an observation

• an inference

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-2

Using a ruler to measure the length of a stick is an example of

• extending the sense of sight by using an instrument

• calculating the percent of error by using a proportion

• measuring the rate of change of the stick by making inferences

• predicting the length of the stick by guessing

Which action can be performed most accurately using only the human senses?

• Tearing a sheet of paper into squares whose sides measure 1.0 centimeter

• Adding 10.0 grams of salt into a cup of water

• Measuring the air pressure of a room

• Counting 28 shells from a beach

An interpretation based upon an observation is called

• a fact

• an inference

• a classification

• a measurement

Which graph most likely illustrates a cyclic change?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

Which statement about a major hurricane is an inference?

• The windspeed is measured at 200 km/hr.

• The central air pressure is recorded at 946.0 mb.

• A rain gauge records three inches of rain in less than one hour.

• Damage from the storm is expected to be extensive.

Tags

NGSS.MS-ESS3-2