Question

which of the following is an example of * 1 point
a) boiling water to make steam
b) turning liquid water into ice
c) melting a candle
d) drying wet clothes

what is the process of a gas turning into a liquid called? * 1 point
a) freezing
b) melting
c) condensation
d) sublimation

when a solid absorbs enough heat and turns into a liquid, it is called... * 1 point
a) sublimation
b) melting
c) freezing
d) evaporation

what is density? * 1 point
a) the mass of an object
b) the amount of space an object occupies
c) the amount of mass per unit volume
d) the weight of an object

which object has the highest density? * 1 point
a) a large empty plastic bottle
b) a small lead weight
c) a balloon filled with air

Explanation:

1. Freezing is the process of a liquid changing into a solid. Turning liquid water into ice is an example of freezing.
2. The process of a gas turning into a liquid is called condensation.
3. When a solid absorbs enough heat and turns into a liquid, it is called melting.
4. Density is defined as the amount of mass per unit volume.
5. Lead is a dense metal. Among the options, a small lead weight has the highest density as plastic and air - filled balloons are less dense.

Answer:

1. B. Turning liquid water into ice
2. C. Condensation
3. B. Melting
4. C. The amount of mass per unit volume
5. B. A small lead weight