a.

Breaking point

b.

Spring constant

c.

Elastic limit

d.

Elasticity point

a.

Latent heat is absorbed, the mass decreases and the volume increases

b.

Latent heat is absorbed, the mass remains constant and the volume decreases

c.

Latent heat is given out, the mass increases and the volume remains constant

d.

Latent heat is given out, the mass remains constant and the volume decreases

a.

Soapy water

b.

Cold water

c.

Hot water

d.

Oily water

a.

Become negatively charged

b.

Become positively carged

c.

Close up

d.

Open further