Science 3.1 3.2 3.3

Question 1

What is a balance used for?

Answer 1

A balance is used to measure mass by comparing the object’s mass to a known mass.

Question 2

What is the advantage of a triple beam balance?

Answer 2

The advantage is that the standard masses are built into the balance. The mass of the object is found by adjusting the positions of the standard masses until the beam is perfectly balanced.

Question 3

Does air have matter? Why?

Answer 3

Air has matter because if a ball is inflated with air it makes it heavier than a deflated ball.

Question 4

Is light matter?

Answer 4

No

Question 5

What is the formula of H20

Answer 5

2 Hydrogen and 1 Oxygen

Question 6

Are solid molecules separated?

Answer 6

No they are attracted together.

Question 7

Are liquid molecules separated?

Answer 7

They are a little bit separated from each other. They have less attraction.

Question 8

Are gas molecules separated?

Answer 8

They are very unattractive since gas takes up more space.

Question 9

What is the formula for water vapor.

Answer 9

H2O

Question 10

Is boiling absorbing or releasing?

Answer 10

Absorbing.

Question 11

Does freezing absorb or release?

Answer 11

Release.