Comp 3 - Changes/Properties in matter Study Guide

Rusting a bike

Combining baking soda and vinegar

Bending a nail

Nuclear reaction of the sun

B is more soluble than C

A is a supersaturated solution

C is more soluble than A

B is a supersaturated solution

Physical change, because the substances started to bubble and create a new gas

Chemical change, because the substances have changed colors and are different things now

Physical change, because the substances stayed the same, they are just mixed together now

Chemical change, because the substances have the same properties with a different form

The mass increases

The mass stays the same

The mass becomes 0

The mass decreases

Increase the temperature

Decrease the temperature

Decrease the amount of substance

separate the substances

3 mL

20 g/mL

53 mL

50 mL

Density, because it is NOT dependent on size

Mass, because it is dependent on size

Boiling point, because it is dependent on size

Weight, because it is NOT dependent on size

Iron because it is the strongest due to its density.

Stainless steel because it has the greatest density.

Plastic because it has the lowest thermal conductivity.

Aluminum because it has the greatest thermal conductivity

The amount of stuff in an object

The amount of space an object takes up

A measure of the force of gravity on an object

The amount of matter (mass) packed into a space (object)