Revision

• Science
• Upper Secondary (Key Stage 4)
• GCSE

Revision before mocks

Which tool is used to measure the mass of an object?

1. Beaker
2. Bunsen burner
3. Measuring cylinder
4. Digital balance

What is the independent variable in an experiment?

1. The variable that is deliberately changed
2. The variable that is measured
3. The variable that is observed
4. The variable that stays the same

What is the independent variable in an experiment?

1. The variable that is deliberately changed
2. The variable that is measured
3. The variable that is observed
4. The variable that stays the same

Which equipment is used to measure the volume of a liquid?

1. Test tube
2. Pipette
3. Thermometer
4. Measuring cylinder

What is the basic structure in all living organisms?

1. Tissue
2. Organism
3. Organ
4. Cell

Which type of cell has no a nucleus?

1. Plant cell
2. Animal cell
3. Eukaryotic cell
4. Prokaryotic cell

Which process converts glucose into energy?

1. Fermentation
2. Photosynthesis
3. Mitosis
4. Cellular respiration

What is the main role of photosynthesis?

1. Convert chemical energy into sunlight
2. Convert heat energy into chemical energy
3. Convert sunlight into chemical energy
4. Convert sunlight into heat energy

Which process converts glucose into energy?

1. Fermentation
2. Photosynthesis
3. Mitosis
4. Cellular respiration

What are the reactants of photosynthesis?

1. Sunlight and chlorophyll
2. Nitrogen and hydrogen
3. Carbon dioxide and water
4. Oxygen and glucose

What is the main role of photosynthesis?

1. Convert chemical energy into sunlight
2. Convert heat energy into chemical energy
3. Convert sunlight into chemical energy
4. Convert sunlight into heat energy

Where does photosynthesis happen in plants?

1. Chloroplasts
2. Nucleus
3. Vacuoles
4. Mitochondria

What is the main role of enzymes in digestion?

1. To break down food into smaller molecules
2. To transport nutrients to the cells
3. To provide energy for the body
4. To regulate body temperature

Where does digestion mostly occur in the human body?

1. In the small intestine
2. In the esophagus
3. In the large intestine
4. In the stomach

Where does digestion mostly occur in the human body?

1. In the small intestine
2. In the esophagus
3. In the large intestine
4. In the stomach

What is the role of the enzyme lipase?

1. To convert proteins into amino acids
2. To facilitate absorption of water
3. To break down carbohydrates
4. To break down fats

What is the role of the enzyme lipase?

1. To convert proteins into amino acids
2. To facilitate absorption of water
3. To break down carbohydrates
4. To break down fats

What is the role of bile in digestion?

1. To absorb water from undigested food
2. To neutralize stomach acid
3. To emulsify fats
4. To assist in protein digestion

What is the atomic number?

1. The number of electrons in an atom
2. The number of protons in an atom
3. The number of neutrons in an atom
4. The mass of an atom

What is an electron?

1. A neutrally charged subatomic particle
2. A type of gas
3. A positively charged subatomic particle
4. A negatively charged subatomic particle

What is the nucleus?

1. The central part of an atom containing protons and neutrons
2. The outermost part of an atom
3. A type of energy
4. A type of cell

What is an isotope?

1. Atoms of the same element with different numbers of neutrons
2. A type of molecule
3. Atoms of different elements with the same number of protons
4. Atoms with no protons

What are the two main components needed to make a salt?

1. Acid and base
2. Water and salt
3. Gas and solid
4. Metal and oxygen

Which acid is commonly used in salt production?

1. Phosphoric acid
2. Nitric acid
3. Sulfuric acid
4. Hydrochloric acid

What is the colour of common table salt?

1. Yellow
2. Green
3. Blue
4. White

What is the colour of copper sulphate salt?

1. Yellow
2. Green
3. Blue
4. White

What is the colour of copper sulphate salt?

1. Yellow
2. Green
3. Blue
4. White

Which type of graph is best for comparing quantities?

1. Scatter plot
2. Pie chart
3. Bar graph
4. Line graph

Which type of graph is best for comparing quantities?

1. Scatter plot
2. Pie chart
3. Bar graph
4. Line graph

What does the x-axis represent in a graph?

1. Independent variable
2. Dependent variable
3. Title
4. Legend

What does the x-axis represent in a graph?

1. Independent variable
2. Dependent variable
3. Title
4. Legend

What is the purpose of a scatter graph?

1. To display categorical data
2. To represent time series data
3. To compare different data sets
4. To show the relationship between two variables

What is the purpose of a scatter graph?

1. To display categorical data
2. To represent time series data
3. To compare different data sets
4. To show the relationship between two variables

How are the data points represented in a scatter graph?

1. Individual points or dots
2. Lines
3. Pie slices
4. Bars

How are the data points represented in a scatter graph?

1. Individual points or dots
2. Lines
3. Pie slices
4. Bars

What is the equation for calculating velocity?

1. v = d * t
2. v = dt
3. v = d + t
4. v = d/t

What is the equation for calculating velocity?

1. v = d * t
2. v = dt
3. v = d + t
4. v = d/t

What is the equation for calculating force?

1. F = m + a
2. F = m * a
3. F = m - a
4. F = m / a

What is the equation for calculating force?

1. F = m + a
2. F = m * a
3. F = m - a
4. F = m / a

What is the equation for calculating work?

1. W = F - d * cos(theta)
2. W = F / d * cos(theta)
3. W = F * d * cos(theta)
4. W = F + d + cos(theta)

What is the equation for calculating work?

1. W = F - d * cos(theta)
2. W = F / d * cos(theta)
3. W = F * d * cos(theta)
4. W = F + d + cos(theta)

What is the equation for calculating energy?

1. E = m + c^2
2. E = m - c^2
3. E = m / c^2
4. E = m * c^2

What is the equation for calculating energy?

1. E = m + c^2
2. E = m - c^2
3. E = m / c^2
4. E = m * c^2

What is the equation for calculating power?

1. P = W / t
2. P = W * t
3. P = W - t
4. P = W + t

What is the equation for calculating power?

1. P = W / t
2. P = W * t
3. P = W - t
4. P = W + t