Science

Question 1

what is a physical property?

Answer 1

Physical properties are things you can measure or see in a substance without changing what it is.

Question 2

What are the 2 types of physical properties?

Answer 2

Qualitative and quantitative

Question 3

Qualitative of a physical property

Answer 3

Characteristics that can be described but not measured
(ex. Colour, smell, texture,)

Question 4

Quantitative of a physical property

Answer 4

Characteristics that can be measured
(ex. Density, hardness, melting point)

Question 5

What is a chemical property

Answer 5

Describing how a substance can react with another to make something new
(Ex. Toxicity, flammability, reactivity)

Question 6

What is physical change?

Answer 6

When objects or substances don’t change

Question 7

What is Chemical change

Answer 7

When atoms are combined to form a new molecule

Question 8

Signs of chemical change

Answer 8

Change of colour (doesn’t look like the original at all)

Bubbling ( gas produced )

Energy released its warm or consumed its cold

Precipitate (when a liquid turns into a solid)