Which is true of a system?

It is defined as a set of parts that work together to create a complex whole

An example is the Fancy and Regular Cup

What would do a better job of slowing the transfer of thermal energy?

Vacuum insulation because it has the fewest particles.

Air insulation because it has the fewest particles.

Vacuum insulation because it has the most particles.

Air insulation because it has the most particles.

The change of a substance from a liquid to a gas

The change of a substance from a gas to a liquid

The change of a substance from a solid to a liquid

The change of a substance from a liquid to a solid

What is condensation?

The change of a substance from a gas to a liquid

The change of a substance from a solid to a liquid

The change of a substance from a liquid to a gas

The change of a substance from a liquid to a solid

The amount of walls/layers are important to the cup system because

Heat and light can REFLECT/BOUNCE off the double layer allowing the temperature inside to stay the same as opposed to heat escaping out of the system

Heat and light can TRANSMIT through the double layer allowing the temperature inside to stay the same as opposed to heat escaping out of the system

A cup WITH a single layer allows the temperature inside the cup to stay the same

Which option gives the best explanation of why the regular cup heats up more than the fancy cup?

The gas particles on the outside of the cup collide with the solid wall. The energy is then trasnferred from the solid wall to the liquid particles inside. As the liquid particles gain energy they also increase in temperature. These collisions between the gas particles, solid wall, and liquid particles allow the regular cup to heat up more.

The liquid particles escape through the solid wall and turn into gas particles. As liquid particles escape the mass of the liquid decreases and causes the regular cup to heat up more than the fancy cup.

The liquid particles gain energy through collisions with other liquid particles. As they gain energy they increase in temperature.

We tested two cup systems to determine the effectiveness of having a lid (one cup with a lid and one without). Which system did better at keeping the temperature the same and why?

The closed cup system did better at maintaining the temperature because it prevented hot air from escaping.

Both cup systems had the same results. A lid has no effect on maintaining the temperature inside a cup

The open cup system did better at maintaining the temperature because it equalized the air temperature surrounding the cup.

Sarah was visiting her friend, Regina. They were in Regina’s backyard, enjoying some ice-cold lemonade. They noticed that there were droplets on the outside of the pitcher of lemonade. The 2 friends made the following claims: Sarah said, “Those droplets must be lemonade leaking from inside the pitcher.” Regina said, “The droplets on the outside of the pitcher are water. They came from the air outside the pitcher. Who is correct?

Regina because condensation droplets form from the air around/outside a container.

Sarah because lemonade is liquid and air is gas.

Sarah because friends are always right.

Regina because evaporation happens on the outside of the pitcher.

From the article titled "How Light Warms Up Matter" we learned that _____.

energy from the light transfers into the particle and the particles gain motion

energy from the light leaves the system and the particles lose motion

the matter in the system does not change

Styrofoam, cardboard cup sleeves, and neoprene all have a common design which helps to slow down energy transfer. What is that design?

They are porous, which means they contain air pockets.

They are a solid, which allows no air to enter.

The design allows liquid and gases to escape the system.

Refer to the diagrams below. If red arrows represent "warm" energy and blue arrows represent "cool" energy, which diagram BEST explains the heat transfer between the koala and the tree on a hot day? Why? (Note: the koala is warmer than the tree).

B. because on a hot day the tree trunk is cooler than the koala and heat leaves the koala's body and is transferred to the cool tree cooling the koala down.

A. because on a hot day the tree trunk is warmer than the koala's body and koalas want to warm up.

C. because on a hot day the tree trunk is cooler than the koala and the coolness is transferred to the koala's body.

D. because on a hot day the tree trunk is cooler than the koala and as heat transfers from the koala to the tree, the coolness from the tree transfers to the koala.

Particles in cold water move _____.

with a lot of energy and slowly

with a lot of energy and quickly

Particles in hot water move _____.

with a lot of energy and quickly

with a lot of energy and slowly

Thermal Energy

Authored by Charles Martinez

Science

6th Grade

NGSS covered

Used 1+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Anything that has mass and takes up space

weight

matter

energy

system

Mass is best defined as

the weight of an object or material

the amount of space an object or material takes up

how much stuff an object or material has

the amount of matter that an object or material has

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The experimental factor that is manipulated or changed in an experiment is the

control variable

dependent variable

independent variable

temperature

Liquids and gases are made up of...

air

mass

particles of matter

nothing

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object or material having a low temperature is said to be ___.

insulated

cold

conductive

hot

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object or material that has a high temperature is said to be ___.

cold

insulated

hot

conductive

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy an object has because it is moving is _____ energy.

heat

kinetic

thermal

potential

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Thermal Energy

Anything that has mass and takes up space

Mass is best defined as

The experimental factor that is manipulated or changed in an experiment is the

Liquids and gases are made up of...

An object or material having a low temperature is said to be ___.

An object or material that has a high temperature is said to be ___.

The energy an object has because it is moving is _____ energy.

Which is true of a system?

A _____ material is full of tiny holes.

The total energy of motion in the particles of a substance is known as _____.

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