Hadi places an ice cube into a beaker of warm water. The ice melts after some time. Which of the following is the best reason to explain this?

• The ice cube gains heat from the warm water.
• The ice cube loses heat to the warm water.
• The warm water gains heat from the ice cube.
• The warm water neither gains nor lose heat to the ice cube. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Mikhail needs help to separate two glasses, A and B, which are stuck together.
What is the best way to separate them?

• Pour hot water into A and put B in a basin of hot water.
• Pour hot water into A and put B in a basin of cold water.
• Pour cold water into A and put B in a basin of hot water.
• Pour cold water into A and put B in a basin of cold water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The spoon placed in a cup of hot water becomes hot after sometime because _______________. 

• the spoon gains heat from the hot water
• the spoon loses heat to the hot water.
• heat flows from the spoon to the water.
• heat flows from the surrounding to the spoon.

Heat flows from ___________ to __________ objects.

• hotter ... hotter
• colder ... colder
• hotter ... colder
• colder ... hotter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When an object gains heat, its temperature ________. 

• decreases
• increases
• remains the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When ice melts, its temperature ________. 

• decreases
• increases
• remains the same

While watching a movie in Yishun 10, Ali felt cold. This is because his body is ________. 

• losing heat to the surrounding
• gaining heat from the surrounding

Tags

NGSS.MS-PS1-4

Mother put some water to boil on the stove. The water becomes hot after sometime. This is because heat flows from ___________ to ___________. 

• water ... kettle
• kettle ... water
• water ... fire
• fire ... water

Shelia's ice-cream cone melts under the sun because the ice-cream _____________ .

• loses heat to the sun
• gains heat from the sun
• cannot withstand the heat from the sun
• the sun produces too much heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Benjamin placed a bottle of cold milk into a cup of hot water. The cold milk becomes hotter after a while. Which one of the following explains this?

• The cup loses heat to the hot water.
• The bottle of cold milk gains heat from the cup. 
• The bottle of cold milk loses heat to the hot water.
• The bottle of cold milk gains heat from the hot water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5