CFE Review Part 1

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

Which energy transformation below matches?
Water moving over a dam to move a generator?

• kinetic to chemical
• kinetic to electrical
• solar to electrical

Tags

NGSS.MS-PS3-5

Potential or kinetic?
Running?

• potential
• kinetic

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

When something is dropped, what type of energy transfer takes place?

• Kinetic -> Potential
• Gravitational Potential -> Kinetic -> Sound
• Electrical -> Chemical
• Heat -> Nuclear

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the constant.

• distance traveled by the ball
• height of the ramp
• mass of the ball
• weight of the ball

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Tags

NGSS.MS-PS1-1