WorksheetsSCIENCE 7 QUARTER 1
Total questions: 25
Worksheet time: 9mins
What is the meaning of the laboratory sign shown on the left?
flammable
corrosive
slippery when wet
poisonous
This is a primary measuring tool for the volume of a liquid.
graduated cylinder
watch glass
tripod
funnel
This is designed to test if a specific change in the condition you hypothesize would cause a change to another condition
uncontrolled experiment
dependent variable
independent variable
controlled experiment
Which of the following is a characteristic of a solid matter.
Molecules of a solid matter are compact and have a strong vibration.
Solid matter does not have a fixed position.
Solid matter has no definite shape.
Molecules of a solid matter are freely moving.
It is a property related to a mineral’s resistance to being scratched.
ductility
conductivity
malleability
hardness
7. Which of the following is an example of an amorphous solid?
ceramic
diamond
rubber band
crystal
Which of the following is NOT TRUE about liquid matter?
They don’t have a fixed shape
They fill the container completely as they have a greater density than gases.
They cannot be compressed easily as the particles are relatively close to each other.
They cannot maintain their form
A mixture that is formed if the composition of a material is not completely uniform.
heterogenous mixture
homogenous mixture
This process is used to separate particles of different sizes passing through a sieve.
filtration
sieving
evaporation
distillation
This is used in separating a soluble solid from a liquid by the use of heat.
filtration
sieving
distillation
evaporation
This is a process of separating liquids from a solution.
distillation
decantation
filtration
evaporation
If a substance dissolves readily in a solvent, it is called ____________.
soluble
insoluble
This type of solution contains the maximum amount of solute that the solvent can dissolve at a given temperature.
unsaturated solution
saturated solution
supersaturated solution
It is the continuous movement of small suspended particles in water.
Tyndall Effect
Brownian Movement
Adsorption
He studied the diffusion of light by large molecules and dust.
John Tyndall
Robert Brown
It is the ability of an element to be burnt easily or undergo combustion
flammability
toxicity
acidity
oxidation
Which of the following is correctly matched?
gold: element; silver: compound
oxygen: element; water: compound
sugar: element salt; compound
water: element; hydrogen: compound
Which of the following is the simplest form of a substance?
element
compound
Magnesium is a/an ____________.
element
compound
Sugar is a/an ___________.
element
compound
Its pH level is less than 7,
acid
base
Vinegar is a/an _________.
acid
base
Aluminum hydroxide is a/an _________.
acid
base
It turns red litmus paper into blue litmus paper.
acid
base
a
It is a numerical value obtained from measuring tools such as a ruler, thermometer, and balance.
qualitative observation
quantitative observation
data
hypothesis
