WorksheetsScience Review
Total questions: 13
Worksheet time: 2mins
This process is the tossing up of the rice grains and having fans blow off remaining bits of husk and other debris in the rice.
Filtering
Decanting
Winnowing
Panning
Which question would be the best high level scientific question?
Who made the telephone?
How long ago did dinosaurs live on the Earth?
How many lions and tigers live in Africa?
Does the type of liquid used in watering the plant affects its growth?
Blood is a mixture. What is it made up of?
plasma and minerals
vitamins and minerals
blood cells and vitamins
plasma and blood cells
What is the method of separating mixtures shown in the picture?
Sedimentation
Decantation
Filtration
Centrifugation
What is the boiling point of alcohol?
78 ⁰ Celsius
100 ⁰ Celsius
-78 ⁰ Celsius
-100 ⁰ Celsius
What physical barrier do we usually use to cook pasta or noodles?
Strainers
Filters
Sift
Cloth
In which step of the scientific method do we want to use graphs and tables?
make a hypothesis
asking questions
communicate results
analyze data
Which of the following mixtures is NOT classified as heterogenous mixture?
air with clouds
oil and water
halo-halo
chocolate drink
What is the factor that results from the change in the manipulating variable and is also known as the responding variable?
Independent Variable
Controlled Variable
Dependent variable
Experimental Variable
The scattering of visible light by colloidal particles is called the Tyndall Effect.
TRUE
FALSE
The amount of pollutions produced by cars was measured for cars using gasoline containing different amounts of lead. What is the independent variable?
The amount of pollutions produced
Gasoline with different amounts of lead
The same kind of car
Which of the following is NOT considered solutions?
Saltwater
Metal alloy
Concrete mix
Smoke
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