Brainscape's Knowledge GenomeTM

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


See full index

Year 7 Exam Revision > Science > Flashcards

Science Flashcards

1
Q

What are the first 10 elements ?

A

Hydrogen,helium,lithium,beryllium,boron,carbon,nitrogen,oxygen,fluorine,neon

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

What are the first 10 chemical symbols on the periodic table

A

H,he,li,be,b,c,n,o,f,ne

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

What are compounds ?

A

They are different elements that can join together to form compounds. Compounds Can have different properties to the elements that make them

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

What is table salt ?

A

NACL

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

What is FEO ?

A

Iron it has 2 atoms

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

How many atoms does iron sulphate have ?

A

2 atoms

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

What are mixtures ?

A

Mixtures are made up of different substances that can be easily separated because they are not chemically joined

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

What is a solution ?

A

A solution is a mixture of a solvent and solute

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

What is solubility ?

A

The ability of a substance to dissolve

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

What is a soluble ?

A

A soluble can dissolve

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

What is in soluble ?

A

It is when it can not dissolve

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

What is a solution

A

It is a mixture between a solvent and a soluble solute

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

What is a solute

A

It is a substance that dissolved in water

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

What is a solvent

A

It is a substance that solute dissolves In e.g water

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

What is a saturated solution ?

A

It is a solution with a maximum amount of solute dissolved

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

What happens when something boils ?

A

Particles gain energy and move in the liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What happens when evaporation occurs ?

A

Particles from the liquid gain energy and move out and spread as gas

18
Q

What happens when condensation occurs ?

A

Particles cool down and looks energy and particles touch each other and turns into liquid

19
Q

What does liquid turn into when it evaporates?

A

Gas

20
Q

What does gas turn in to when condensation occurs ?

A

Liquid

21
Q

What does the solid turn into when sublimation occurs ?

A

Gas

22
Q

What is diffusion ?

A

Diffusion is the movement of particles from an area of high concentration to an area of low concentration

23
Q

What does the speed of diffusion depend on ?

A

Stirring,tempreture and the size of particles

24
Q

What is the eye pice used for ?

A

It is where you place your eyes

25
Q

What is the coarse focus amusement used for ?

A

It is a knob that makes a large adjustment to the focus

26
Q

What is the fine focus adjustment used for ?

A

It is A knob that makes small adjustments to the focus

27
Q

What is the body tube used for ?

A

The body tube is used to to support the eye piece

28
Q

What is the revolving nose piece ?

A

It is the rotating device that lets the arm tilt at various angles

29
Q

What is the arm used for ?

A

The arm is the the thing that attaches the eye peace and body to the bass

30
Q

What is the lower power objective ?

A

It is a small lens with low magnifying power

31
Q

What is the high power objective ?

A

It is a large lens with high magnifying power

32
Q

What are the stage clips used for ?

A

They are metal clips that hold a slide security in place

33
Q

What is a stage ?

A

The stage is the platform that the slide is placed on

34
Q

What is the inclination joint ?

A

It is the joint that is adjustable that lets the arm tilt at various angles

35
Q

How do you magnify the microscope

A

You get the strength of the microscopes lens and then times that by 10

36
Q

What is a diaphragm?

A

It is an adjustable opening under the stage allow different amounts of light to come into the stage

37
Q

What is the base ?

A

This is the piece that supports the microscope

38
Q

What is the mirror ?

A

This directs light upwards on to the slide

39
Q

What is an independent variable

A

What you change in an experiment

40
Q

What is a dependent variable ?

A

What you measure to judge the effect of changing the independent variable

41
Q

What is the first organism ?

A

A producer

42
Q

What is the second organism

A

A herbivore

Year 7 Exam Revision (7 decks)

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