Brainscape's Knowledge GenomeTM

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


See full index

Science > Y9 PC1 Revision > Flashcards

Y9 PC1 Revision Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is an element?

A

A pure substance which is made from only one type of atom. Elements are listed on the periodic table.

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

What is a compound?

A

A pure substance made from two or more elements which are chemically bonded.

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

What is a mixture?

A

Two ore more types of atoms or compounds not chemically bonded.

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

What is reflection?

A

When light bounces off a surface back to the medium it came from.

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

What is refraction?

A

When the speed of light changes as it moves from one medium to another causing a change in direction.

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

What does a balanced diet include?

A

Carbohydrates,
Lipids and Fats,
Proteins,
Vitamins,
Minerals,
Fibre,
Water.

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

Name all of the organs that food passes through.

A

Mouth,
Oesophagus,
Stomach,
Small Intestine,
Large Intestine,
Rectum,
Anus.

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

What is malnutrition?

A

Lacking in a specific nutrient.

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

What is the ph level of an acid

A

1-6 Red, Orange, Yellow

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

What is the ph level of an alkali

A

8-14 Blue, Purple

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

What is the ph level of a neutral

A

7 Green

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

What is an indicator?

A

A substance that will change colour at a specific ph value.

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

Name all of the planets.

A

Mercury,
Venus,
Earth,
Mars,
Jupiter,
Saturn,
Uranus,
Neptune.

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

What is mass?

A

The amount of matter in an object.

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

What is weight?

A

The force of gravity acting on a mass.

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

Is gravity a contact or non-contact force?

A

Gravity is a non contact force.

17
Q

What is the difference between aerobic and anaerobic respiration?

A

Anaerobic respiration is the process of releasing energy from food into the body without using oxygen, aerobic occurs with oxygen.

18
Q

What is the equation for photosynthesis?

A

Carbon Dioxide + Water a Glucose + Oxygen

19
Q

What is physical weathering?

A

A process that causes the disintegration of rocks, minerals and soils without chemical change.

20
Q

What is chemical weathering?

A

The interaction of rock with mineral solution’s to change the composition of rocks.

21
Q

What are the 3 types of rocks?

A

Igneous,
Sedimentary,
Metamorphic.

22
Q

How are igneous rocks formed?

A

They are formed from the cooling of magma or lava.

23
Q

How are sedimentary rocks formed?

A

They are formed when layers of sediments are compacted and cemented over time.

24
Q

How are metamorphic rocks formed?

A

They are formed when igneous or sedimentary rock is changed due to extreme heat or pressure over a long period of time.

25
Q

What is current?

A

The rate of flow of charge.

26
Q

What is voltage?

A

The amount of energy transferred to the charges.

27
Q

What is resistance?

A

Opposing the flow of an electric charge.

28
Q

What is a parallel circuit?

A

A closed circuit in which the current divides into two or more paths before recombining to complete the action.

29
Q

What is a series circuit?

A

A type of circuit where the current passes through each component in turn.

30
Q

What is a Eukaryotic Cell?

A

Any cell or organism that possesses a clearly defined nucleus.

31
Q

What are the different parts of a plant cell?

A

Cell Wall,
Nucleus,
Chloroplast,
Cell Membrane,
Mitochondria,
Vacuole,
Cytoplasm.

32
Q

What are the different parts of an animal cell?

A

Cytoplasm,
Mitochondria,
Cell Membrane,
Ribosome,
Nucleus.

33
Q

What is an organelle?

A

A subcellular structure that has one or more specific jobs to perform.

34
Q

What is a specialised cell?

A

They have a structure that allows them to complete a specific funtion.

35
Q

What is diffusion?

A

Diffusion is the movement of particles from a higher concentration to a lower concentration in a liquid or gas.

36
Q

What are the three states of matter?

A

Solid,
Liquid,
Gas.

37
Q

What happens when particles are heated?

A

They gain energy

38
Q

What are enzymes?

A

Biological catalysts that breakdown food that is insoluble.

Science (7 decks)

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