Nature of Science

Information about the natural world gathered through the senses and/or scientific instruments.

• Control Group

• Experiment

• Observation

• Investigation

Tags

NGSS.3-PS2-2

NGSS.4-ESS2-1

A scientific test or procedure that is carried out under controlled conditions to answer a scientific question.

• Experiment

• Observation

• Trials

• Investigation

Tags

NGSS.MS-PS2-2

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

• Variable

• Control Group

• Inference

• Investigation

The amount of land covered by water in a wetland can vary. The following chart shows the average percentage of the land in one wetland that is covered by water each month. If a scientist wanted to explore the wetland when most of the land was above water, during which of the following seasons should the scientist visit this wetland?

• fall

• spring

• winter

• summer

Tags

NGSS.MS-ESS2-4

A science class went on a field trip to study the organisms that live in a stream near the school.  Which of these tools would be most useful for making observations about the animals living in the stream? 

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Body systems in humans sometimes have similar functions to plant systems. For example, the human skeletal system provides structure and support for the body. The following picture shows the basic structures of a plant. SC.5.L.14.2 Which labeled plant structure is most similar in function to the human skeletal system?

•     A

•     B

•   C

• D

• Earthworms are afraid of light.

• Earthworms like staying together.

• Earthworms move away from light.

• Earthworms like living in the ground.

• All types of metal are attracted to magnets.

• Each magnet can lift the metal object to the same height.

• Larger magnets can pick up heavier metal objects than smaller magnets can.

• Heavier metal objects are more attracted to magnets than lighter metals objects are.

Tags

NGSS.MS-PS2-5

• The exact experiment can be repeated by others and the results compared.

• The experiment can be changed by others to get different results.

• The data will help people decide what type of sweetener to use.

• The data will show people which ants are more common

Tags

NGSS.MS-LS2-1

• He should not use filter paper.

• He should get the same results.

• He should follow a completely new procedure.

• He should use different amounts of salt and pepper.

Tags

NGSS.MS-PS1-2