SCIENCE 7 SUMMATIVE TEST
Quiz by Jenny Dela Vega
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- Q1
Which sequence would reflect the steps a scientist would follow in conducting scientific investigation?
gathering data > identifying the problem > conclusion > experimentation > formulating hypothesis
Identifying the problem > Gathering data > formulating hypothesis > experimentation > conclusion
formulating hypothesis > gathering data >identifying the problem > experimentation - conclusion
Identifying the problem > Gathering data > formulating hypothesis > conclusion experimentation
45sS7MT-Ia-1 - Q2
You heard the dog near the gate barking loud and you thought that there is a stranger. What is your observation?
The stranger has a dog
The dog jumped over the gate
The dog is barking loud
There is a stranger in the gate
45sS7MT-Ia-1 - Q3
Which of the following is a quantitative observation?
the solution is blue
the coffee granules dissolve well in hot water
Alcohol has 70 ml ethanol
the sugar is sweet
45sS7MT-Ia-1 - Q4
You tried to investigate how fast powdered juice dissolves in cold and hot water, which is the independent variable?
amount of powdered juice
size of glass
amount of water
temperature of water
45sS7MT-Ia-1 - Q5
You always join your father when he is watering the plants in your garden. You noticed that a certain part of the garden is covered in shade and other part of the garden is exposed in the sunlight. You also noticed that the plants in the shaded area have yellow leaves and shorter height
What can be the best hypothesis you can formulate in the situation?
Sunlight can make the plants grow healthy
Sunlight can cause dehydration of the plants
Sunlight can burn the leaves that can turn it yellow
Water can make the plants grow healthy
60sS7MT-Ia-1 - Q6
You always join your father when he is watering the plants in your garden. You noticed that a certain part of the garden is covered in shade and other part of the garden is exposed in the sunlight. You also noticed that the plants in the shaded area have yellow leaves and shorter height
If you are to design an experiment regarding this, what will be the dependent variable?
amount of water
amount of sunlight
number of earthworms
condition of the plant
60sS7MT-Ia-1 - Q7
When you record the height of a plant in your garden everyday for 28 days, what were you doing?
making a conclusion
designing an experiment
gathering data
formulating a hypothesis
45sS7MT-Ia-1 - Q8
Why is it advisable to conduct more than one trial even though the first one produced a good, favorable result?
Because there might be new results or outcomes
Because consistency of result is highly desired
Because there might be an error in the first one
Because more experiments mean more conclusions
45sS7MT-Ia-1 - Q9
What are the elements present in the compound "Water"
Helium and Oxygen
Hydrogen and Carbon
Hydrogen and Oxygen
Helium and Sulfur
45sS7MT-Ig-h-5 - Q10
The following are bases in naming elements EXCEPT
date of discovery
name of discoverer
latin name
place of discovery
45sS7MT-Ig-h-5 - Q11
Which of the following compound has an element combined with Chlorine?
water
vinegar
table sugar
table salt
45sS7MT-Ig-h-5 - Q12
Why is it important to examine food label of product?
to examine the compounds and elements that are essential
to know the price of the product
to find out the calories in the product
to check the mass of the product
45sS7MT-Ig-h-5 - Q13
A person suffering from high blood pressure should avoid foods which are rich in
calcium
iron
iodine
sodium
45sS7MT-Ig-h-5 - Q14
You examined two different substances and labelled them Sample A and Sample B. How can you tell that a compound is formed after combining the sample materials?
Sample materials transformed from solid to liquid phase.
Sample materials undergo chemical reaction due to energy change
Sample materials changed their properties physically
Sample materials increased their volume after mixing together.
45sS7MT-Ig-h-5 - Q15
Why is carbon dioxide classified as a compound?
It has variable proportion
It is a basic simple substance
It can be separated by physical process
Its elements are combined chemically
45sS7MT-Ig-h-5