Question 1

2. Which would likely happen if heat energy is added to ice cubes?

Accepted Answer

multiplem://The ice cubes melt and turn into liquid states:It needs heat energy to change its phase from solid to liquid:If a greater amount of heat is absorbed, the ice cubes turn into vapor:The ice cubes absorb heat and increase the kinetic energy of the particles.

Question 2

6. Solid has very strong interparticle forces of attraction.

Accepted Answer

boolean://True

Question 3

5. Arrange the following processes based on how water cycle happens as it starts with the sun shines directly towards bodies of water.

Accepted Answer

jumble://evaporation,saturation,condensation,precipitation,run-off

Question 4

4. Which states of mattes has definite volume and shape and has rigid particles?

Accepted Answer

scrambled://SOLID

Question 5

3. What phase change can be inferred in the water cycle as shown by the illustration below?

Accepted Answer

If the air is saturated and the radiated heat is enough, it precipitates forming water droplets and falls on the ground as rain.

Answer

When the water vapor reaches the upper part of the troposphere, it evaporates forming clouds.

Answer

Water from different bodies changes into vapor, freezes to form clouds and precipitate back to the earth surface in the form of rain.

Answer

Water from the surface of the ocean evaporates due to decrease in temperature.

Question 6

1. Which of the following differentiate three phases of matter in terms of their characteristics?

Accepted Answer

Solid has definite shape and volume while liquid and gas have no definite shape.

Answer

Liquid has rigid particles while solid and gas are not rigid.

Answer

Gas is denser compared to liquid and gas because its particles are compact.

Answer

Among the three states of matter, only gas had definite shape.

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