An orderly, systematic approach to solving a problem is called

• investigations
• scientific method
• experiment
• none of the above

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The first step in the scientific method is usually

• making an observation
• forming a hypothesis
• testing a hypothesis
• none of the above

After formulating a question, the next step of the scientific method is

• to state a conclusion
• to perform an experiment
• to research and collect data
• none of the above

Scientists test a hypothesis by

• doing experiments
• formulating questions
• designing models
• none of the above

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS3-4

Which unit would be used to measure the mass of a computer?

• kilogram
• kelvin
• meters
• none of the above

How do scientists who speak different languages make their data understandable to one another?

• They all use different systems of measurement
• They all use the SI system or the metric system of measurement
• They use translators
• none of the above

What unit is used to measure the height of a book case?

• kilogram
• meter
• kelvin
• none of the above

What is most important safety rule?

• Never work with chemicals
• Always use unbreakable glassware
• Always follow your teacher's instructions
• None of the above

Which of the following is an example of a safe laboratory procedure.

• tying back long hair
• eating during lab
• horseplay during lab
• none of the above

The science of matter and its changes is called

• weather
• chemistry
• physics
• none of the above

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5