BGCS quiz

The variable that is measured or observed and is expected to change as a result of the independent variable is called the:

• a) Dependent variable
• b) Controlled variable
• c) Independent variable
• d) Constant variable

Tags

NGSS.MS-PS2-2

13. Which of the following is the base unit of temperature in the metric system?

• a) Meter
• b) Gram
• c) Liter
• d) Celsius

Tags

NGSS.MS-PS1-4

What is the first step in the scientific method?

• a) Collecting data
• b) Analyzing results
• c) Formulating a hypothesis
• d) Drawing conclusions

Which of the following is NOT a characteristic of quantitative data?

• a) It is measurable and objective.
• b) It can be statistically analyzed.
• c) It is based on observations and descriptions.
• d) It is expressed in numerical values.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

What is the primary goal of the CER process?

• a) To make wild speculations and guesses
• b) To provide a step-by-step experimental procedure
• c) To confuse the reader with complex scientific jargon
• d) To support claims with relevant evidence and logical reasoning

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which of Newton’s laws states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force?

• Newton's First Law of Motion
• Newton's Second Law of Motion
• Newton's Third Law of Motion

Which formula expresses Newton’s Second Law of Motion?

• E=mc2
• F = ma
• a2 + b2 = c2
• S = k log (w)

Tags

NGSS.HS-PS2-1

How much force is required to... Accelerate a 0.5 kg ball at 50 m/s2?

• 50 m/s2 /0.5 Kg = 100 N
• 0.5 kg x 50 m/s2 = 25 N
• 0.5 kg /50 m/s2 = 0.1 N

Tags

NGSS.MS-PS2-2

How fast will the following objects accelerate100 kg cyclist exerting a driving force of 200 N?

• 100 kg x 200 N = 20000 m/s2
• 100 kg / 200 N = 0.5 m/s2
• 200 kg x 100 N =2 m/s2
• 200 N / 100 kg =2 m/s2

Tags

NGSS.MS-PS2-2

What is the mass of an object that accelerates at 4m/s2 when a force of 3000N is applied?

• 3000N / 4m/s2 = 750 kg
• 4m/s2/3000N = 0.0013 kg
• 3000N x 4m/s2 = 12000 kg

Tags

NGSS.MS-PS2-2