Heat/Density Quiz

What type of energy movement causes heat? In other words, Heat is __________ energy that is moving.

• Thermal Energy

• Nuclear Energy

• Insular Energy

• Kinetic Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

In the picture, what causes the chocolate in your hand to melt?

• Your hand has more thermal energy than the chocolate, thus a heat transfer takes place between your hand and the chocolate.

• Your hand has less thermal energy than the chocolate, thus the chocolate melts onto your hand.

• Microscopically, your individual cells are warm, and due to the overly hot chocolate, your skin begins to melt.

• Neither the chocolate nor the hand is hot enough to melt the other, despite the thermal energy of the hand being moreso than the chocolate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Are heat and temperature different? If so, how?

• They are not different

• They are different. Heat is the flow of thermal energy, and Temperature is the measurement of the thermal energy.

• They are different, Heat is the measurement of thermal energy and Temperature is the flow of thermal energy.

• They are different. Heat refers to the action of elves warming something, while temperature is a measure of the heat itself.

Tags

NGSS.MS-PS3-4

How does the density of a thin silver wire compare to a silver ring?

• The density of the silver ring is higher.

• The density of the silver ring is lower.

• The have the same density.

• You cannot tell without examining both of them closely.

What is the density of a metal ring that has a volume of 3.10 cm³ and a mass of 60 g?

• 19.3 m3/kg

• 19.3 kg/m3

• .05 m3/kg

• .05 kg/m3

A student measures the mass of an 8 cm3 block of brown sugar to be 16 g. What is the density of the brown sugar?

• .5 cm3/g

• .5 g/cm3

• 2 g/cm3

• 2 cm3/g

A chef fills a 100 mL container with 25 g of cooking oil. What is the density of the oil?

• .25 ml/g

• .25 g/ml

• 4 g/ml

• 4 ml/g

The heat transferred from the Sun to the Earth by ________.

• Conduction

• Insulation

• Convection

• Radiation

Heat always moves from an object of __________ temperature to an object of _________ temperature.

• moderate, high
• higher, lower
• lower, higher
• zero, high

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which example below is an example of convection?

• Standing on a hot metal bridge

• The attic is warmer than the basement

• The Sun heating the Earth

• Touching hot sand with your feet

Answer explanation

The attic being warmer than the basement is an example of convection, where heat is transferred through the movement of air or fluids.

Tags

NGSS.MS-ESS2-6