6.2 Thermal Energy (Lessons 1-4)

Which of the following statements is true about the cup system?

• It only includes the different parts of the cup that work together.  

• It includes the different parts of the cup and the water and air inside the cup.

• It includes the different parts of the cup and the water inside the cup.

• It includes the different parts of the cup and the air inside the cup.

Which of the following is NOT a part of the cup system?

• Straw

• Lid

• Desk

• Air inside between the water and lid

Why do some cups include features such as double walls, lids or straws?

• To increase or decrease the temperature of liquids in the system

• To help maintain the temperature of liquids inside the system

•  To improve the flavor of the liquids inside the system

• The features do not have any specific purpose

Tags

NGSS.MS-PS3-3

When you touch a hot stove, the heat transfers to your hand through direct contact.

• Conduction

• Convection

• Radiation

What happens to water over time in an open cup?

• It freezes.

• It evaporates.

•  It turns into ice.

• It gets heavier.

Tags

NGSS.MS-ESS2-4

Why is measuring mass important in experiments involving matter loss?

• It confirms the experiment is successful.

• It helps to show how much matter left the system.

• It is not important; only temperature matters.

• It adds complexity to the experiment.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is one reason a cup with a lid cools down slower than a cup without a lid?

• The lid blocks all heat.

• The lid allows more air in.

• The lid slows down the loss of heat and matter.

• The lid makes the cup heavier.

Tags

NGSS.MS-PS3-3

What is evaporation?

• When a solid turns into a gas

• When a liquid turns into a gas

• When a gas turns into a solid

• When a gas becomes a liquid

Tags

NGSS.MS-PS1-4

How do particles in a gas differ from those in a liquid?

• Gas particles are closer together than liquid particles.

• Liquid particles have more space between them than gas particles.

• Gas particles have a lot of space between them, while liquid particles do not.

• There is no difference; they are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Review the data tables.  Which is investigating one variable at a time?  Investigation A or Investigation B?

• Investigation A is only investigating lids

• Investigation B is investigating lids and walls