Science Midterm G8

Question 1

If the solubility curve is going downwards while adding heat, what state f matter is the solute?

Answer 1

Gas

Question 2

What is a heterogeneous mixture?

Answer 2

A mixture where you can see the different components of it.

Question 3

What is a homogeneous mixture?

Answer 3

A mixture where the components are so well mixed together you can not see them individually.

Question 4

which factors affect soulbility?

Answer 4

stirring/friction, temperature, and surface area.

Question 5

How do you find the density of a fluid?

Answer 5

D (Density) = M (Mass) ÷ V (Volume)

Question 6

What happens if the buoyant force is greater than the weight if the weight of the object?

Answer 6

The object will rise to the surface an float.

Question 7

What does SPHAM stand for?

Answer 7

S: Space
P: Particles
H: Heat
A: Attraction
M: Movement

Question 8

Define solubility.

Answer 8

The ability of a substance to dissolve in another substance

Question 9

What do you call a solution that has reached the maximum amount of solute it can dissolve?

Answer 9

Saturated Solution

Question 10

What’s blue and not that heavy?

Answer 10

Light Blue 💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀☠💀💀💀💀💀💀💀💀💀💀💀👻💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀💀

Question 11

What do you call a system that compresses air to transmit power?

Answer 11

Pneumatic System

Question 12

What is a pure substance?

Answer 12

Single type of matter that can not be separated into other kinds of matter by physical means. Made of one kind of atom.

Question 13

What are the characteristics of living things?

Answer 13

1: Made up of cells
2: Take in nutrients
3: Use Energy
4: Respond/adapt to environment
5: Reproduce
6: Grow and develop
7: Produce Waste

Question 14

What are the levels of organization?

Answer 14

Cells, Tissue, Organ, Organ System.

Question 15

What did the microscope do for scientists?

Answer 15

Allowed them to identify the basic unit of life.

Question 16

What does the nucleus do?

Answer 16

It controls most of the activities within the cell.

Question 17

What does the mitochondria do?

Answer 17

Converts food into energy that the cell can use.

Question 18

What does the cell membrane do?

Answer 18

Provides protection from the environment.

Question 19

What does the vacuole do?

Answer 19

Used for storing food and wastes.

Question 20

What does the chloroplast do?

Answer 20

Use light and energy to make food for the cell.

Question 21

Where does the exchange of gasses take place?

Answer 21

The alveoli which are in the lungs.

Question 22

What does the liver do?

Answer 22

It removes toxins from your blood while regulating blood clots and maintaining your blood sugar.

Question 23

What does the pancreas do?

Answer 23

Produces enzymes that help with the digestion of nutrients and food.

Question 24

Which organelle produces energy?

Answer 24

The Mitochondria.

Question 25

What is the main purpose of the circulatory system in the human body.

Answer 25

It filters waste and gets blood to every cell in your body.

Question 26

What is the main purpose of the respiratory system?

Answer 26

It is used to exchange oxygen and carbon dioxide/waste to keep your blood clean.