Science exam

Question 1

Propriétés non-caractéristiques

Answer 1

Mass, Volume, Temperature

Question 2

Temperature?

Answer 2

Is a measure of the degree of agitation of the particles of a solid, a liquid or a gas. We usually write the temperature in degree celsius

Question 3

What is the pH of Acid?

Answer 3

Lower than 7

Question 4

What is the pH of Neutral?

Answer 4

7

Question 5

What is the pH of Base?

Answer 5

Higher than 7

Question 6

Turns litmus paper red

Answer 6

Acid

Question 7

Turns litmus paper blue

Answer 7

Base

Question 8

Does not change the colour of litmus paper

Answer 8

Neutral

Question 9

Reacts with metal

Answer 9

Acid

Question 10

Does not react with metal

Answer 10

Base

Question 11

Sour and sharp tasting

Answer 11

Acid

Question 12

Slippery to the touch

Answer 12

Base

Question 13

How does a hot air balloon go higher in the air?

Answer 13

With fire / heat! Because the heat causes the agitation of the gas particules

Question 14

How does a hot air balloon go lower in the air?

Answer 14

With less fire / heat! Because since there’s less heat the gas particules don’t agitate as much

Question 15

Mass

Answer 15

A measurement of how much matter is in a substance. Mass doesn’t change from place to place

Question 16

Volume

Answer 16

A three dimensional measurement of the space. occupied by an object or substance

Question 17

Property

Answer 17

Is used to describe a substance, an object, a group of substances or a group of objects. ( Mass, volume, density, hardness, colour, temperature, elasticity )