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AQA Additional Science Foundation Flashcards | StudBud
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AQA Additional Science Foundation
AQA Additional Science Foundation
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1
Which type of radiation is most dangerous inside the body?
alpha
beta
gamma
2
Calculate the momentum of a car with a mass of 2000kg travelling at 30m/s.
6000 kg m/s
600000 kg m/s
600 kg m/s
60000 kg m/s
3
If hydrochloric acid reacts with magnesium, which salt is produced?
magnesium nitrate
magnesium carbonate
magnesium sulphate
magnesium chloride
4
If you increase the temperature of a chemical reaction it gets faster
False
True
5
Why do cars have crumple zones?
increase impact time and thus decrease force
so you have to buy a new car
decrease impact time and thus decrease force
6
What is happening to the car travelling from B-C?
stationary
constant speed
slowing down
speeding up
7
Which of these parts of a cell do plants have but animals do not?
cell membrane
nucleus
cytoplasm
cell wall
8
How do plants use the glucose they create from photosynthesis?
respiration
<p>making cell walls</p>
stored as fat
making proteins
9
If a plant doesn't get enough light, what happens to the rate of photosynthesis?
decreases
increases
stays the same
10
Which type of cell division produces gametes (sex cells)
mitosis
meiosis
11
Why are alloys stronger than pure metals?
<p>different sized atoms means the layers can't slide</p>
because the atoms are compressed
a diamond is added to the metal
a stong metal is added to a weak one
12
What is happening to this ball?
slowing down
Accelerating downwards
falling at a constant speed
stationary
13
Which of these can cause extinction?
heat
nowhere to live
a new predator
a sudden environmental change
14
What is happening to the car travelling from A-B?
speeding up
slowing downAnswer 4
constant speed
stationary
15
How many protons does magnesium have?
24
12
18
6
16
calculate the mean from these numbers 12, 12, 10, 8, 11, 9
12.3
9.3
10.3
11.3
17
When two atoms fuse their nuclei this is called...
nuclear fusion
nuclear fission
18
Name the speed at which a falling object travels when air resistance and gravity equal.
Final Velocity
End velocity
Maximum velocity
Terminal velocity
19
If ammeter 1 reads 10A, ammeter 2 will read 5A
true
false
20
Endothermic reactions....
Give out heat
Take in heat
21
What is the resultant force?
2N
3N
2N Left
5N Left
22
You can only be a carrier of a genetic disease if the disease is caused by a.....
dominant allele
recessive allele
23
Which type of radiation is most ionising?
alpha
gamma
beta
24
Which of these are adaptations of a sperm cell?
lots of mitochondria to provide energy
long tail for swimming
no nucleus to give more room
lots of chloroplasts for photosynthesis
25
Which gas is produced when a metal reacts with an acid? clue: squeaky pop
hydrogen
oxygen
carbon dioxide
nitrogen
26
If the reading on ammeter 1 is 3A what will ammeter 2 read?
2A
0A
1.5A
3A
27
Which type of respiration produces lactic acid?
aerobic
anaerobic
28
What are stem cells?
Man-made cells
Cells which can turn into any type of cell
A cell from a plant
29
What is a tissue? (Think biology!)
a piece of paper
a group of similar cells working together
lots of organs working together
a snot rag
30
Ionic bonding happens between....
metals and metals
non-metals and metals
non-metals and non-metals
31
Adding crosslinks to polymers (thermosetting) makes them....
stronger
weaker
32
Calculate the work done when a man pushes a broken down car with a force of 500N for 10m.
5000 KJ
5000 W
500 J
5000 J
33
What is this component?
Diode
<p>Thermistor</p>
LDR
LED
34
Where do plants get the carbon dioxide from which they need for photosynthesis?
The water
The soil
The air
35
What happens to enzymes when they are overheated or at the wrong pH?
denature
deny
denitify
denurture
36
Why do giant covalent structures have high melting points?
they have strong metallic bonds
they have lots of strong covalent bonds
they have strong covalent bonds
they have strong ionic bonds
37
What is diffusion?
the movement of particles in a liquid
the movement of particles from low to high concentration
the movement of particles from high to low concentration
the movement of particles into the air
38
Which nutrient does the enzyme protease break down?
carbohydrate
fibre
protein
fat
39
If the reading on voltmeter A reads 6V, what will voltmeter C read?
6V
0V
3V
2V
