AP2 NOW Flashcards

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1
Q

Energy

A

Energy
The ability to do work. Measured in Joules (J).

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2
Q

Power

A

The rate of transfer of energy. Measured in Watts (W).

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3
Q

Work

A

The energy transferred by a force.

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4
Q

Name all the energy stores

A

Kinetic Gravitational Thermal
Elastic Electromagnetic Chemical Nuclear

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5
Q

Conserved

A

When the quantity of something does not change after a process takes place.

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6
Q

Kinetic energy

A

The energy that an object possesses due to its motion

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7
Q

Elastic energy

A

The energy stored by an object when it is squashed or stretched

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8
Q

Gravitational energy

A

The energy an object has due to its position above Earth

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9
Q

Chemical energy

A

Energy stored in the bonds of chemical compoun

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10
Q

Thermal energy

A

The energy stored in a system due to its temperature.

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11
Q

Useful energy

A

Energy transferred into a form we want

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12
Q

Wasted energy

A

Energy in a form we don’t want and can’t use - normally dissipated to the surroundings as heat

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13
Q

Fossil fuels

A

Formed from the remains of ancient plants or animals. Examples are coal, crude oil and natural gas.

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14
Q

Nuclear

A

Takes energy from the splitting of atoms.

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15
Q

Renewable

A

An energy resource that can be replaced and will not run out. Examples are solar, wind, waves, geothermal and biomass.

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16
Q

Non-renewable

A

An energy resource that cannot be replaced and will be used up.

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17
Q

Energy resource

A

Something with stored energy that can be released in a useful way.

18
Q

Biofuels

A

Any fuel taken from living or recently living organisms.

19
Q

Wind

A

A wind turbine uses the force of the wind.

20
Q

Waves

A

Waves are used to make a floating generator move up and down.

21
Q

Hydroelectric

A

Uses the power of flowing water to turn turbines.

22
Q

Tidal

A

Traps water from each high tide behind a barrage. The high tide can then be released into the sea through turbines.

23
Q

Solar

A

Solar cells and solar panels use the Sun’s energy to generate electricity or heat water.

24
Q

Cytoplasm

A

This is a jelly-the substerce nhere mast cherical reactions happen

25
Q

Name three specialised cells

A

Red blood cell
Sperm cell
Root hair cell

26
Q

Talk about a sperm cell’s adaptation

A

They have a stream lined head to swim faster and a tale to swim towards the egg cell

27
Q

What is a specialised cell?

A

A cell designed to carry out one specific job

28
Q

Name adaptations of a red blood cell

A

Large surface area
* Contains haemoglobin which picks up oxygen
• Has no nucleus to make room for more oxygen

29
Q

What is the level of organisation?

A

Specialised Cell
Tissue
Organ
System
Organism

30
Q

Organisation

A

The SAME cells make up a tissuel similar function.
DIFFERENT tissues make up an organ.
DIFFERENT organs make up and organ system.
DIFFERENT organ systems make up an organism,

31
Q

THE JOURNEY of the sperm cell

A

Released
Into the vagina
Through the cervix
Through fallopian tube

32
Q

When is the egg realised?

A

Day 14

33
Q

A minha mãe não está aqui no Brasil e o outro não tem como fazer um teste de gravidez. O que eu vou te mandar um e-mail para o seu nome é Maria Clara. Eu não sei se eu vou ter uma vida melhor que a sua. O problema é que eu estou falando que você está com o João Pedro de Sousa e a gente vai se encontrar no shopping com o que é uma coisa muito importante.

What is digested by enzyme?

A

Amylase

34
Q

What is a atom?

A

The smallest possible atom

35
Q

Molecule

A

Two or more atoms bonded together

36
Q

Element

A

Chemical containing only one type of atom

37
Q

Compound

A

Chemical containing two or more different elements bonded together(can only be molecules)

38
Q

Mixture

A

Chemical containing two or more elements or compounds_unbonded

39
Q

What is a displacement reaction?

A

A reaction where a more reactive element /metal Takes the place of a less reactive metal/element

40
Q

Sublimation

A

Gas into a solid