Week 8 Law of Conservation

Matching: Match each type of electrical generator to the resource that it uses.

• Water

• Coal

• Sunlight

• Wind

Tags

NGSS.MS-ESS2-4

Matching: Match each type of electrical generator to the resource that it uses.

• Water

• Coal

• Sunlight

• Wind

Matching: Match each type of electrical generator to the resource that it uses.

• Water

• Coal

• Sunlight

• Wind

Label the marbles with either “most potential energy” or “least potential energy” based on the amount of potential energy that they contain.

• The large marble has the most potential energy.

• The small marble has the most potential energy.

Tags

NGSS.MS-PS3-2

Fill in the blank: ______ energy becomes _____energy when

an object starts moving. 

Answer choices: kinetic; chemical; potential; thermal

(a)  

Tags

NGSS.MS-PS3-5

Chemical energy is often called “waste energy” by scientists.

• True

• False

Describe how the energy of each marble could be measured after it is released.

• A. The diameter of each marble is measured and compared.

• B. Each ramp is measured and the length is multiplied by gravity.

• C. Each marble is weighed before and after rolling down the ramp.

• D. The distance from the end of the ramp to each marble is measured.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

How does friction generate heat in bodies?

• A. The teeth and tongue grind food into small particles.

• B. Heat is generated when muscles rub against each other.

• C. Cells use thermal energy to grow and perform their tasks.

• D. Food is converted into chemical energy by the digestive system.

Matching: Match each type of electrical generator to the resource that it uses.

• Water

• Coal

• Sunlight

• Wind