Mixtures
_________ separates two different sizes of solids. For example peas from rice. It can also be used to separate large solid particles from water, for example potatoes from the water they were boiled in.
Evaporation
Distillation
A sieve
Filter paper
Reptiles are ___________ blooded.
cold
Only _________ substances can be attracted to a magnet.
a- north pole
b- copper
c-magnetic
d- strongest
magnetic
Three states of matter are ____________________.
A- Transparent, translucent and opaque
B- Melt, freeze and evaporate
C- Solution, solvent and soluble
D- Solid, liquid and gas
Solid, liquid and gas
What are forces measured in?
Newtons
Kilometres
Millilitres
Degrees Celsius
Newtons
What piece of equipment would the simplest way to use to separate iron filings from sand?
A magnet
Humans are members of a large group of animals known as ___________________.
mammals
A south pole of one magnet will ___________ the south pole of another magnet.
a- repel b- attract
c- magnetic field d- field lines
repel
When you fill a jug with sugar, it appears to have the same shape as the jug. You can also tip sugar from one container to another. Is sugar a solid, a liquid or a gas?
A liquid
A solid
A gas
A solid
If you pour oil on a wooden surface,friction will be
A) Increased
B) Reduced
Which separation method is used in a teabag to separate the tea leaves and the water?
Filtration (filter)
Animals that feed on other animals are called _____________.
carnivores.
The space around a magnet which would attract a magnetic substance is called the ___________.
a- iron b- compass
c- south pole d- magnetic field
magnetic field
What is the name of the change of state from gas to liquid?
Evaporating
Boiling
Condensing
condensing
Friction also produces
A) Gravity
B) Heat
C) Weight
heat
When vinegar and bicarbonate of soda are mixed, this change in the mixture is ____________.
a- reversible
b- irreversible
irreversible
The main job of the stomach is …
A. To absorb the water.
B. To absorb all the good things, like minerals and vitamins.
C. To expel the undigested waste.
D. To break down the food.
To break down the food.
When you hold a compass, due to magnetism, in which direction will the needle of a compass always point?
a- north b- south
c- west d- east
north
Which of these has the least densely-packed particles?
Solids
Liquids
Gases
gases
Rough surfaces have
A) More Friction
B) Less Friction
more friction
Cooking an egg is reversible change. True or false?
False.
______________ is the process of physical changes through which a child's body matures into an adult body.
A- Toddler B- Puberty
C- Baby D- Old age
Puberty
Which of the metals are magnetic?
a- aluminium b- copper
c- nickel d- bronze
nickel
When salt is mixed with water, the salt _________.
A- melts
B- dissolves
C- boils
D- freezes
dissolves
Which of the following is NOT an example of friction as a helpful force?
Using your hand to wave hello to a friend
Using a cloth to clean a pair of glasses
Using a marker to draw a picture on paper
Using a scrub brush to wash dishes
Using your hand to wave hello to a friend