EFHS -- intro to physics

Which one of the following steps is NOT a part of a scientific method?

• Perform experiments to test the predictions.

• Repeat the experiment until the results match the predictions.

• Repeat the experiment after adjusting the hypothesis, if needed.

• Make observations and collect data that lead to a question.

Tags

NGSS.MS-PS1-2

The difference between a hypothesis and a theory is ____

• A hypothesis is testable explanation, but a theory is just an idea.

• A hypothesis is not testable, whereas a theory is testable.

• A hypothesis can be revised, but a theory cannot be changed in any way.

• A hypothesis is testable explanation, but a theory is a synthesis of many well-tested and supported explanations.

When describing an object in motion, what term includes both magnitude and direction?

• vectors

• scalars

• hypothesis

• variables

Which number below will include a negative exponent when written in scientific notation.  

• 41, 000

• 1,000,000

• 17.0

• 0.006

Which term below best describes what science is?

• a collection of facts             

• a thing/object

• a process

• a goal

Tags

NGSS.MS-LS1-1

Which number belongs in the box?

• 412

• 0.000412

• 412.0

• 0.004

How are prefixes, such as kilo- and centi-, used in scientific measurement?

• to indicate multiple powers of 10

• to describe the direction of motion

• to support a hypothesis

• to give more accurate data

The equation for the volume of a rectangle is shown in the diagram.  Use algebra skills to rearrange the equation to solve for the length. 

• 
• 
• 
• 

What is the vector sum shown in this diagram?

• 17

• 3

• 10

• 7

Tags

NGSS.MS-PS3-1

What is the vector sum shown in this diagram?

• 18

• -18

• -10

• -26