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WorksheetsSec 1 EOY Revision
Total questions: 35
Worksheet time: 46mins
Which of the following are attributes a Science student should possess?
Curiosity
Open-mindedness
Perseverance
Objectivity
Reorder the options to demonstrate the sequence to a scientific investigation.
Asking a question
Hypothesize
Experiment and collect data
Analyze data
Conclude
A scientist wonders if the presence of water speeds up the rusting of metal and conducts a scientific investigation.
State the hypothesis of the experiment.
Alicia and Ben measures the length of a piece of rope, three times each.
Alicia's recorded lengths: 12.0 cm, 12.3 cm and 12.6 cm.
Ben's recorded lengths: 11.0 cm, 12.0 cm and 13.0 cm.
The actual length of the rope is 12.0 cm. Who is more accurate?
Alicia
Ben
Alicia and Ben measures the length of a piece of rope, three times each.
Alicia's recorded lengths: 12.0 cm, 12.3 cm and 12.6 cm.
Ben's recorded lengths: 11.0 cm, 12.0 cm and 13.0 cm.
The actual length of the rope is 12.0 cm. Who is more precisse?
Alicia
Ben
To determine the material to be used in oven mitts, which physical property should we consider?
electrical conductivity
thermal conductivity
melting/boiling point
hardness
strength
An object has a mass of 300 g and volume of 5 cm3. Showing your workings clearly, calculate the density of the object in kg/cm3.
What is the volume of the liquid in the measuring cylinder?
35.0 cm3
36.0 cm3
44.0 cm3
45.0 cm3
An object is placed in a liquid. The object sinks to the bottom. Does the liquid or the object have a higher density?
Object
Liquid
Reorder the following options to demonstrate the steps to measuring the volume of an irregular object that sinks in water.
Fill a measuring cylinder with water
Read the measuring cylinder to obtain the initial reading
Place the object in water gently
Read the measuring cylinder to obtain the final reading
Calculate the volume by subtracting the initial reading from the final reading
Jenny has a rubber band (density = 0.1 g/cm3) and a stone (density = 2.6 g/cm3).
The rubber band is tied around the stone. What is the density of the combined object?
2.5 g/cm3
2.6 g/cm3
2.7 g/cm3
unknown
Jenny has a rubber band (density = 0.1 g/cm3) and a stone (density = 2.6 g/cm3).
The rubber band is tied around the stone. The combined object has a mass of 3 g and volume of 1 cm3. What is the density of the combined object?
2.5 g/cm3
2.6 g/cm3
2.7 g/cm3
3.0 g/cm3
Match the following matter to its correct classification of element, compound or mixture.
Oxygen (O2)
Element
Carbon Dioxide (CO2)
Compound
Air
Mixture
Dexter wants to find out if the unknown substance is a compound or mixture.
He knows that iron atoms are present in the substance and tests if the substance is attracted to a magnet. Iron is magnetic however the unknown substance is not attracted to the magnet.
What is the unknown substance?
Compound
Mixture
A spoonful of sugar is added into a cup of water to form sugar water.
Match the following options to its correct description.
sugar
solute
water
solvent
sugar water
solution
Tessa has an unknown mixture. She looks into the unknown mixture and is unable to see what's on the other side of the beaker. The unknown mixture must be a...
solution
suspension
solute
solvent
Jason wants to dissolve sugar in water quicker.
What should he do?
Use smaller sugar crystals
Use lower temperature water
Stir faster
Use more water
Solubility refers to
how well a solute dissolves in a fixed volume of a particular solvent.
how well a solvent dissolves in a fixed volume of a particular solute.
how well a solvent dissolves in varying volumes of a particular solute.
how well a solute dissolves in varying volumes of a particular solvent.
Which of the following elements is/are metal(s)?
hydrogen
calcium
lithium
sulfur
Match the following separation technique to the suitable substances to be separated.
Magnetic attraction
Magnetic substance from non-magnetic substances
Filtration
Insoluble solid from a liquid
Evaporation
Soluble solid from a liquid
Distillation
Liquids with varying boiling points / Soluble solid from liquid
Light from a light source can bounce off an object and enter our eyes. The bouncing of light off a surface is called
luminous
reflection
refraction
dispersion
Which are correct properties of images seen in a concave mirror?
Real
Upright
Magnified
What happens to a light ray in air when it strikes a surface perpendicularly?
The light ray bends at a angle.
The light ray does not enter the surface.
The light ray travels in a straight line.
The light ray bounces back in air.
Which statements are correct when light ray passes from air into glass at an angle.
Air is optically denser than glass.
Speed of light in glass is lower than speed of light in air.
The light ray bends towards the normal.
Angle of incidence is greater than the angle of refraction.
Which statement(s) about division of labour is/are true?
Cells perform the same function.
It increases efficiency in the organism.
Tissues and organs work together to perform different functions.
Increases coordination in an organism.
Dust particles are observed to be 'dancing' in the air.
What phenomena is this?
Brownian motion
Diffusion
Motion of solid particles
Arrangement of solid particles
A red dye in the corner of a cup of water spreads.
What phenomena is this?
Brownian motion
Diffusion
Motion of liquid particles
Arrangement of liquid particles
What happens when a metal bar is heated up?
Particles vibrate more vigorously.
Particles become bigger in size.
Particles move slightly further apart.
Particles change shape.
What contributes to the mass of an atom?
electron
proton
neutron
Which statement explains why an atom is electrically neutral?
A neutron has no charge.
The number of protons is equal to the number of electrons.
The number of electrons is equal to the number of neutrons.
An atom is stable.
Which of the following are molecules?
O
O2
O3
CO2
Which of the following are molecules of an element?
O2
CO2
C4
HNO3
What are the elements present in sulfuric acid H2SO4?
hydrogen
sulfur
oxygen
sulfur oxygen
How many atoms is present in a molecule of sulfuric acid H2SO4?
(a)
How confident are you for your EOY?
SUPER confident!
I will get A!!!!!!!!
Confident-ish. A or B is achievable!
I need to revise more, but should be fine after revising!
I got so many questions wrong.
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