Science Test

Question 1

Particle theory

Answer 1

Is an explanation of why matter behaves the way it does,

Question 2

5 major points

Answer 2

All mater is made of tiny particles
Particles are always moving
There is space in between particles
Adding heat makes them go faster
Particles in a pure substance are the same, different substances are different

Question 3

What % of the human body is made of water?

Answer 3

60%

Question 4

What % of our skin is made of water?

Answer 4

64%

Question 5

What % of our brain and heart are made of water?

Answer 5

74%

Question 6

What % of our bones our made of water?

Answer 6

30%

Question 7

Mass

Answer 7

Is a measure of the amount of matter in an object.

Question 8

Viscosity

Answer 8

Is a measure of a fluids resistance to flow.

Question 9

Flow rate

Answer 9

Is used to measure how quickly fluids move.

Question 10

Flow rate

Answer 10

Is used to measure how quickly fluids move.

Question 11

Friction

Answer 11

Is the resistance that a surface encounters when it rubs

Question 12

Cohesion

Answer 12

Is a measure of how strongly fluid particles are attracted to each other.

Question 13

Adhesion

Answer 13

Is the attraction between the particles of a fluid and another substance

Question 14

Temperature

Answer 14

An increase in temperature will reduce a liquid’s viscosity and vice versa

Question 15

Particle size

Answer 15

Larger particles experience greater viscosity and smaller ones experience less viscosity

Question 16

Pascals law

Answer 16

States that if pressure is exerted on a fluid, it will be evenly distributed throughout the fluid