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GCSE Additional Science Revision (2013)

This is an Additional Science Revision Paper for students doing additional science. It covers a selection of additional science topics.

'GCSE Additional Science Revision (2013)' worksheet

Key stage:  KS 4

Curriculum topic:  GCSE Revision Papers

Curriculum subtopic:  Selection of Topics

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

This is an Additional Science Revision Paper for students doing additional science. It covers a selection of additional science topics, including biology, chemistry and physics.

Complimentary base pairs of DNA are held together by weak __________ bonds.

All cells are diploid, i.e. they contain 23 pairs of chromosomes.

true

false

A temperature increase causes an enzyme to _______________.

alter

denature

unnature

What does EPOC stand for?

Excess Pro-exercise Oxygen Consumption

Excess Post-exercise Oxygen Consumption

Excess Post-exercise Output Consideration

On the underside of a leaf, there are microscopic pores called stomata. What is the singular form of the word stomata?

What is active transport?

It is the movement of water molecules from an area of low concentration to an area of high concentration.

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

It is absorbing particles against a concentration gradient.

In random sampling, every point within an area has an equal chance of being selected. This means the sample is likely to be _______________ of the whole area.

The vertical columns of the periodic table are called __________.

groups

periods

Lead iodide forms a ____________ precipitate.

grey

black

yellow

Barium sulfate is used for barium meals before X-rays, but most barium salts are toxic. How is patient intoxication prevented?

Patients are given a non-toxic version of barium sulfate.

Patients have barium sulfate removed from their system before it dissolves in blood.

Barium sulfate is insoluble, so it does not dissolve into the blood.

The electrons used in covalent bonds come from the ________ electron shell of the atom.

innermost

outermost

Ionic substances are ________ in room temperature.

solids

liquids

gases

Fluorine and chlorine are ________ at room temperature.

solids

liquids

gases

Percentage yield is the percentage of the _________ yield out of the _________ yield.

actual    theoretical

theoretical  actual

input    theoretical

What is the acceleration of a car when it starts with 30 km/s and reaches the final velocity of 100 km/s in 10 s? Your answer should be in km/s2, but only type the number.

3

7

10

When an object starts to fall from above the Earth, the only force actring on it is its weight, which accelerates it towards the Earth. Another force begins to act on it once it gains speed. What is this force?

What is the kinetic energy of a 65 kg girl running at 6 m/s? Your answer should be in J.

195

2340

1170

Alpha particles have a _______ penetration distance.

short

long

________________ repulsion takes place between two positively charged nuclei.

The answer is case sensitive, as the word is at the beginning of the sentence and should be in capital letter.

The use of radiation in cancer treatment is called ______________.

  • Question 1

Complimentary base pairs of DNA are held together by weak __________ bonds.

CORRECT ANSWER
hydrogen
EDDIE SAYS
Complimentary base pairs of DNA are held together by weak hydrogen bonds.
  • Question 2

All cells are diploid, i.e. they contain 23 pairs of chromosomes.

CORRECT ANSWER
false
EDDIE SAYS
All body cells are diploid, but gametes (sperm and egg) are haploid, i.e. they contain only one of each pair of the 23 chromosome pairs.
  • Question 3

A temperature increase causes an enzyme to _______________.

CORRECT ANSWER
denature
EDDIE SAYS
A temperature increase causes an enzyme to denature.
  • Question 4

What does EPOC stand for?

CORRECT ANSWER
Excess Post-exercise Oxygen Consumption
EDDIE SAYS
EPOC stands for Excess Post-exercise Oxygen Consumption.
  • Question 5

On the underside of a leaf, there are microscopic pores called stomata. What is the singular form of the word stomata?

CORRECT ANSWER
stoma
EDDIE SAYS
Stoma (singular) Stomata (Plural)
  • Question 6

What is active transport?

CORRECT ANSWER
It is absorbing particles against a concentration gradient.
EDDIE SAYS
The definition of active transport is absorbing particles against a concentration gradient. The first definition is for osmosis and the second for diffusion.
  • Question 7

In random sampling, every point within an area has an equal chance of being selected. This means the sample is likely to be _______________ of the whole area.

CORRECT ANSWER
representative
EDDIE SAYS
In random sampling, every point within an area has an equal chance of being selected. This means the sample is likely to be representative of the whole area.
  • Question 8

The vertical columns of the periodic table are called __________.

CORRECT ANSWER
groups
EDDIE SAYS
The vertical columns of the periodic table are called groups.
  • Question 9

Lead iodide forms a ____________ precipitate.

CORRECT ANSWER
yellow
EDDIE SAYS
Lead iodide forms a yellow precipitate.
  • Question 10

Barium sulfate is used for barium meals before X-rays, but most barium salts are toxic. How is patient intoxication prevented?

CORRECT ANSWER
Barium sulfate is insoluble, so it does not dissolve into the blood.
EDDIE SAYS
Barium sulfate is insoluble, so it does not dissolve into the blood.
  • Question 11

The electrons used in covalent bonds come from the ________ electron shell of the atom.

CORRECT ANSWER
outermost
EDDIE SAYS
The electrons used in covalent bonds come from the outermost electron shell of the atom.
  • Question 12

Ionic substances are ________ in room temperature.

CORRECT ANSWER
solids
EDDIE SAYS
Ionic substances are solids in room temperature.
  • Question 13

Fluorine and chlorine are ________ at room temperature.

CORRECT ANSWER
gases
EDDIE SAYS
Fluorine and chlorine are gases at room temperature.
  • Question 14

Percentage yield is the percentage of the _________ yield out of the _________ yield.

CORRECT ANSWER
actual    theoretical
EDDIE SAYS
Percentage yield is the percentage of the actual yield out of the theoretical yield.
  • Question 15

What is the acceleration of a car when it starts with 30 km/s and reaches the final velocity of 100 km/s in 10 s? Your answer should be in km/s2, but only type the number.

CORRECT ANSWER
7
EDDIE SAYS
final velocity-initial velocity acceleration = ----------------------------------- = time taken for the change in velocity 100-30 70 ------ = ---- = 7 km/s2 10 10
  • Question 16

When an object starts to fall from above the Earth, the only force actring on it is its weight, which accelerates it towards the Earth. Another force begins to act on it once it gains speed. What is this force?

CORRECT ANSWER
air resistance
EDDIE SAYS
Air resistance begins to act on a falling object once it gains speed. It acts on the opposite direction to the object's movement.
  • Question 17

What is the kinetic energy of a 65 kg girl running at 6 m/s? Your answer should be in J.

CORRECT ANSWER
1170
EDDIE SAYS
KE = 1/2 x 65 x (6 x 6) = 1/2 x 65 x 36 = 1170 J.
  • Question 18

Alpha particles have a _______ penetration distance.

CORRECT ANSWER
short
EDDIE SAYS
Alpha particles have a short penetration distance.
  • Question 19

________________ repulsion takes place between two positively charged nuclei.

The answer is case sensitive, as the word is at the beginning of the sentence and should be in capital letter.

CORRECT ANSWER
Electrostatic
EDDIE SAYS
Electrostatic repulsion takes place between two positively charged nuclei.
  • Question 20

The use of radiation in cancer treatment is called ______________.

CORRECT ANSWER
radiotherapy
EDDIE SAYS
The use of radiation in cancer treatment is called radiotherapy.
---- OR ----

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