Font size
Worksheetsks3 science revision
Total questions: 80
Worksheet time: 2hrs 40mins
Which statement matches an igneous type of rock?
Formed from layers of sediment, and which can contain fossils.
Formed from existing rocks exposed to heat and pressure over a long time.
Formed from cooled magma, with minerals arranged in crystals.
Which part of the diagram corresponds to where transportation of eroded rock material is most likely to take place?
k
f
e
l
Sandstone is grainy and crumbly and may contain fossils. Its rock type is.....
Igneous
Metamorphic
Sedimentary
Soft
Fossils (the remains or impressions of prehistoric organisms preserved in petrified form or as molds or casts) are found in ___________ rocks only.
Igneous
Metamorphic
Sedimentary
Iron Oxide
Granite is an intrusive igneous rock. Which best describes its characteristics?
A hard rock, large crystals due to slow cooling of magma
A hard rock, small crystals due to fast cooling of lava
A soft rock, large crystals due to slow cooling of magma
A soft rock, small crystals due to fast cooling of magma
What type of rocks are formed from heating or squashing in Earth’s crust?
Sedimentary
Metamorphic
Igneous
The Rock
Over millions of years, sedimentary layers form from which of the following?
sand
silt
dead plants & animals
molten lava
Use the diagram to answer the following question.
In which stage of the rock cycle shown above would you predict the formation of fossils?
Stage L
Stage M
Stage N
Stage P
The diagram represents a cross-section of a cliff. It shows several rock layers containing fossils.
Which of the following layers of rock is most likely the youngest?
the layer containing trilobites
the layer containing fishes
the layer containing dinosaurs
the layer containing mammals
Which of the following statements applies to producer?
An organism that breaks down dead plant and animal material so nutrients can be recycled back to the soil or water.
An animal that eats other animals or plants.
Green plant or algae that makes its own food using sunlight.
A group of the same species living in an area.
A snail is part of which phylum?
Nematodes
Molluscs
Echinoderms
Arthropods
A jellyfish is an
invertebrate
vertebrate
Which of these vertebrates can breathe in water
Mammals
Reptiles
Birds
Amphibians
Invertebrates are animals that do not have a ________
Head
Backbone
Legs
Brain
Is this animal a vertebrate or invertebrate?
Invertebrate
Vertebrate
Which of these are a feature of a prokaryote?
Multicellular
Don't have a cell wall
Move by contraction of soft muscles
Doesn't have a nucleus
Which classification do centipedes belong to?
Myriapods
Arachnides
Insects
Nematodes
Roundworms are classified into this phylum and their bodies are NOT divided into segments
Nematodes
Annelids
Insects
Mammals
What are the two non-metals that are included in the reactivity series of metals?
Hydrogen and iron
Oxygen and lead
Tin and carbon
Carbon and hydrogen
How well a substance can be hammered into sheets.
Malleability
Conductivity
Luster
Magnetic
Which elements are colored red?
nonmetals
metals
metalloids
What force holds two atoms together in an Ionic Bond? Where does this come from?
Electrostatic force
Static electricity
Opposites attract
Opposites repel
NH3
Ionic Bond
Covalent Bond
What type of bonds are formed when metal atoms combine with nonmetal atoms?
Covalent
Ionic
What are the properties of sodium chloride? (*Hint: What type of bond is it?)
High melting and boiling point
Conducts electricity
Conducts electricity only when it is in liquid or molten state
Volatile
Represented by a chemical symbol on the Periodic Table
Element
Compound
Mixture
Impure substance
Which of the following describes a mixture?
It is made up of more than one type of element that are chemically bonded together
It is made up of more than one type of element that are not chemically bonded together
Mix and match of things
It is made up of one type of atom and it is a pure substance that cannot be broken down into any other substances
What is the job (function) of the cranium, or skull?
protect the heart
protect the brain
protect the feet
Any type of break in the bone is called
Bad news
Spongy
Fracture
Painful
Your knees and elbows are examples of this type of joint.
ball and socket
pivot
gliding
hinge
What is #5?
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
What are the names of the chambers in the heart?
Veins, arteries, Heart
Right Atrium, Right Ventricle, Left Atrium, Left Ventricle
Arm artery, Leg artery, head and neck artery, Endothelium
What is tube that leads from the larynx to the bronchi and is also known as your wind pipe?
esophogus
bronchi
trachea
alveoli
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from the body
to break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
What is the gas that is produced when an acid reacts with a reactive metal?
carbon dioxide
oxygen
hydrogen
nitrogen
When calcium carbonate is reacted with an unknown acid, calcium chloride salt is produced. What is the acid?
hydrochloric acid
sulfuric acid
nitric acid
citric acid
what is pH 7 ?
acid
alkaline
water
which of the following situations represents an attractive forces between two poles?
the north end of one magnet pointing to the north end of another magnet
the north end of one magnet pointing to the south end of another magnet
the south end of a small magnet pointing to the south end of a large magnet
The function of the sensory neurone is to carry the impulse from the sensory organ to the central nervous system.
True
False
Dendrite - branched projections of the neuron cell body that _______________________ from other neurons
receive messages
get energy
receive nutrients
What type of energy store is a fuel ?
Thermal
Chemical
Gravitational
Elastic
This image shows the ________________ moon of moon Phases.
Full
Waning crescent
New
Waxing gibbous
Planet #2 is ...
Mars
Venus
Earth
Mercury
Planet #1 is ...
Mars
Earth
Venus
Mercury
Which planet has the shortest year?
Mars
Mercury
Earth
Venus
How long does it take for Earth to make one revolution around the sun?
24 hours
365 days
1 month
13 months
Which theory shows that the Sun was the centre of the universe?
Copernicus
Galileo Galilei
Ptolemy
Me
Which of the two below result in an attractive force?
A positive charge and a negative charge
Two negative charges
Two south poles
A north pole and a south pole
Two postive charges
A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?
100 Newtons, same direction
100 Newtons, opposite direction
200 Newtons, same direction
200 Newtons, opposite direction
If a disease strikes the snakes the grass will
increase
decrease
not be affected
In the illustration, the light ray striking the object is-
What is the law of reflection?
Light waves change speed as they pass across the boundary between two substances with a different density
Reflection is laterally inverted
Angle of incidence always equal to angle of reflection
Light passes through objects that are reflective
Which statement is true about refraction
The speed of light slows down as they enter a denser substance, so the ray will bend towards the normal line
The speed of light speeds up as they enter a denser substance, so the ray will bend towards the normal line
The speed of light slows down as they enter a denser substance, so the ray will bend away from normal line
What is the atomic number of this atom shown in the Bohr model?
11
12
13
can't be determined
Is this atom an ion? If so what would it's charge be?
Yes, 1-
No it is neutral
Yes, 1+
Can't be determined
What is the atomic number of this Carbon atom
6
8
14
12
Which of these are false about Group 1 Metals (Alkaline-Earth metals)
They are soft
They are good conductors of electricity and heat
They are less dense than water
Their melting point increases down the group
Which one of these elements are used in filament bulbs? (*Hint : They must be inert!)
Fluorine
Carbon
Iron
Argon
