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WorksheetsGr.4_Science_GL Mock Test 2
Total questions: 40
Worksheet time: 3600secs
What body system turns food into nutrients and energy for your body?
Circulatory system
Respiratory System
Digestive System
Nervous System
What filters waste and produces bile?
oesophagus
mouth
larynx
liver
What is the part of the tooth you can see above the gum?
Crown
Pulp
Cap
Cavity
The pulp contains ______, which send messages to the brain if your ice pop is too cold.
Blood vessels
Nerves
Receptors
Brain waves
All living and non - living things in an environment and the many ways they interact are called ______
Ecosystem
Community
Housing
Settlement
Where an animal lives is called the animal's ______
Wildlife
Habitat
Environment
Area
Polar Bears, Seals, and Moose live in which type of habitat?
The Arctic
Desert
Safari
Ocean
Which is the secondary consumer in this food chain? Write the answer in the box.
(a)
Which are two examples of reptiles?
Turtles and Dolphins
Alligators and Turtles
Giraffes and Lizards
Snakes and birds
A population of grasshoppers lives in a field community. A bird population has just joined the community. What will happen?
Grasshopper and bird populations both go down
Grasshopper population goes down as bird population goes up
Grasshopper population goes up as bird population goes down
Recently, a family of snakes moved into an area with a large rat population. What changes may occur in the ecosystem?
The rat population may increase
The rat population may decrease
The rat population may increase first, then decrease
If you were writing your own key, what question would you use to separate birds and cats?
Do they have very short legs?
Do they have long, thin bodies?
Do they have feathers/furs?
When developers build a housing estate where some fields used to be, what are the problems or dangers caused to wildlife?
Loss of habitat
Loss of food
Loss of shelter
All of these
Litter and pollution in the sea is a danger to wildlife, what can be done to help.
Enjoy swimming
Clean up campaign
Find ways to catch more fish
Which phase is represented in the model?
(a)
What is a physical property?
How two chemicals react with one another when combined
A property that we can measure or observe with our 5 senses or other tools
When two chemicals react with one another to form a new substance
Is a boiling point a physical or chemical property?
Physical Property
Chemical Property
Additional property
Associative property
How long does it take this substance to change from a liquid to a gas?
5 minutes
10 minutes
15 minutes
20 minutes
Rearrange the letters of the word below to make the name of a stage of the water cycle.
peiacronitpit – (a)
A student is heating a pan of water. What happens to the molecules as the temperature of the water gets hotter?
the molecules move faster
the molecules stop moving
the molecules move slower
What is needed to change water from one state to another?
change of location
change of container
change of temperature
change of material
Condensation occurs when warmer water vapour comes into contact with a _______________ surface, loses heat and condenses into water droplets.
warm
warmer
cooler
Boiling is a heat __________ process and occurs ________________________.
gain; at the surface of the liquid
gain; throughout the liquid
loss; at the surface of the liquid
Baking cake is a __________
chemical change
Physical change
Both
Why is electrical wiring usually covered with a layer of plastic?
To make it big
To help electricity flow along the wire
To make it safe
What happens when one light goes out in a parallel circuit?
All the lights go off.
No current can flow through the circuit because of a burned out bulb.
The other lights can stay on.
What is an electrical conductor?
Materials that allow electricity pass through them easily.
Materials that do not allow electricity pass through them easily.
c. Materials that stop electricity pass through.
What is an electrical insulator?
Materials that allow electricity pass through them easily.
Materials that do not allow electricity pass through them easily.
Materials that keep circuit flow.
What is a parallel circuit?
A flow of electrical charges
An electric circuit with only one path for the current
An electric circuit with more than one path for the current
What is a series circuit?
A flow of electrical charges
An electric circuit with only one path for the current
An electric circuit with more than one path for the current
Which of the following statements about a bar magnet is not true?
Its magnetic field lines form a closed loop.
Its magnetic flux is greater at the poles.
Its magnetic field leaves the South-pole and enter the North-pole.
Its magnetic field lines do note intersect one another.
The ability to do work – cause change
(vocabulary word)
Which of the following is a series circuit?
