Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science > Semester 2 Exam 2020 > Flashcards

Semester 2 Exam 2020 Flashcards

1
Q

How are particles arranged in a solid?

A

Tightly packed with an organized arrangement in rows, particles vibrate in their spot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How are particles arranged in a liquid?

A

Tightly packed but randomly arranged, particles can flow over each other.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How are particles arranged in a gas?

A

Random arrangement with empty space between particles, high energy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What word describes particles changing from solid to liquid?

A

Melting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What word describes particles changing from liquid to gas?

A

Evaporation or boiling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What word describes particles changing from liquid to solid?

A

Freezing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What word describes particles changing from solid to a gas?

A

Sublimation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Particles that have a high temperature means that the particles have ….. kinetic energy

A

High

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Particles that have a low temperature means that the particles have ….. kinetic energy

A

Low

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is an atom?

A

The smallest unit of matter, they contain sub-particles that have charges.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a compound?

A

A compound is a substance that is made up of atoms of two or more elements, joined together by strong chemical bonds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is an element?

A

An element is a substance that contains only one type of atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a proton?

A

A subatomic particle in the nucleus with a positive charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is an electron?

A

A subatomic particle with a negative change that orbits the nucleus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a neutron?

A

A subatomic particle in the nucleus with a neutral charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a physical change?

A

When the particles of a substance change state of matter, this change is reversible.

17
Q

What is a chemical change?

A

When the particles of substances rearrange to form a new substance, this change is irreversible.

18
Q

What are some observations that indicate a chemical change?

A

Bubbles, colour change, heat/light/odour/sound released.

19
Q

What is a solution?

A

A mixture of a solute dissolved in a solvent.

20
Q

What is a solvent?

A

The major component of a solution dissolves another substance.

21
Q

What is a solute?

A

The minor component of a solution that has been dissolved into another substance.

22
Q

What is a mixture?

A

A combination of 2 or more substances that can be separated.

23
Q

What is a pure substance?

A

A collection of the same type of particle.

24
Q

What is the purpose of using a stain to view cells under a microscope?

A

Staining enhances the contrast of the organelles that make it easier to see the difference between different organelles.

25
Q

What is a cell?

A

The smallest unit of living matter, the building blocks of all living things.

26
Q

What is a specialized cell?

A

A cell with a different structure that allows it to perform a specific function.

27
Q

What is an organelle?

A

A subcellular structure that performs a specialized function inside the cell.

28
Q

What is a tissue?

A

A collection of the same type of cells that work together to perform a particular function

29
Q

What is an organ?

A

A collection of different tissues that work together to perform a particular function

30
Q

What is the function of the nucleus?

A

Controls the functions inside the cells, contains a copy of DNA of the organism.

31
Q

What is the function of the cell membrane?

A

Controls the movement of substances in and out of the cell.

32
Q

What is the function of the mitochondria?

A

Produces energy for the cell, often called the ‘powerhouse of the cell’

33
Q

What is the function of the cytoplasm?

A

The inner space of the cell.

34
Q

What are the organelles that are unique to plant cells?

A

Chloroplast, cell wall, vacuole

35
Q

What is the order of organization in the body?

A

Cells 🡪 Tissues 🡪 Organs 🡪 Organ systems 🡪 Organism

36
Q

What is particulate matter?

A

Small solid particles suspended in the air

37
Q

Give 3 examples of specialized cells.

A

Red blood cell, white blood cell, sperm cell.

Science (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions