Seven

In which matter does the sound travels in maximum speed ?

• Vacuum

• Gases

• Aqueous

• Solid

Tags

NGSS.MS-PS4-1

Regular vibration produce ______ and irregular vibration produce _______

• Noise , Musical sound

• Musical sound , Noise

• Pitch , Loudness

• Loudness , Pitch

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What does the letter A represent in the Scientific Method diagram?

• Formulate a hypothesis

• Conduct an experiment

• Observe and question

• Analyze results

What step in the Scientific Method does the letter D correspond to in the diagram?

• Observe and question

• Conduct an experiment

• Formulate a hypothesis

• Communicate results

What is the step represented by the letter G in the Scientific Method diagram?

• Analyze results

• Communicate results

• Formulate a hypothesis

• Conduct an experiment

What other celestial bodies are included in our solar system besides planets?

• Moons, asteroids, and comets

• Stars and black holes

• Only moons and comets

• Only asteroids and black holes

Tags

NGSS.MS-ESS1-3

What percentage of the matter in the Solar System is made up by the Sun according to the pie chart?

• 0.14%

• 0.02%

• 99.85%

• 50%

Tags

NGSS.MS-ESS1-3

What is the pH level of a neutral solution?

• Seven

• Five

• Nine

• Three

How many continents are there on Earth?

• Five

• Six

• Seven

• Eight

Which of the following is a diatomic molecule?

Tags

NGSS.MS-PS1-1