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WorksheetsMatter Test Review
Total questions: 36
Worksheet time: 18mins
Data measured, collected, perceived, or noticed, especially during an experiment.
hypothesis
inference
observation
theory
A proposed explanation of facts that must be testable through experiments.
hypothesis
inference
observation
theory
A comprehensive explanation of facts that has been repeatedly supported.
hypothesis
inference
observation
theory
Which of the following is an example of a quantitative observation?
The book is 25 cm long.
The chair is as orange as a pumpkin.
Mr. Hines is the tallest history teacher.
The wrapping paper is pink.
What is the difference between a hypothesis and a theory?
A hypothesis must be testable whereas a theory may not.
A theory has been repeatedly supported whereas a hypothesis has not.
A theory generally covers a narrower concept than a hypothesis.
A hypothesis may be proven but a theory may not.
Which of the following is a logical inference for the observation "The basketball player is limping."?
He smells hot dogs.
He hurt his ankle.
He is happy.
He wants a new uniform.
Matter is
anything that has mass.
anything that has volume.
anything that has mass and takes up space.
anything that has mass and length.
What units are used to measure volume?
grams (g)
milliliters (ml)
millimeters (mm)
Kelvin (K)
Which term describes the amount of space something takes up?
compound
mass
matter
volume
What is a measure of the amount of matter in a substance?
compound
mass
matter
volume
What units are used to measure mass?
grams (g)
milliliters (ml)
millimeters(mm)
Kelvin (K)
When only 1 substance is present, we call it a/an ________________.
alloy
mixture
pure substance
solution
Substance X contains three different element held together by chemical bonds. Substance X is a/an
compound.
element.
mixture.
molecule.
Two or more pure substances that are not chemically combined.
compound.
element.
mixture.
molecule.
A pure substance that cannot be broken down into a simpler substance by a chemical reaction.
compound
element
mixture
molecule
Which of the following is true for compounds?
They all have the same properties regardless of how many atoms they have.
They can be separated by physical means.
They can consist of no more than two types of elements.
They can be separated by chemical reactions.
What is the smallest particle that has the properties of an element?
Atom
Compound
Element
Mixture
The Law of Conservation of Matter states that
in a closed system, the amount of matter can change.
in a closed system, matter cannot be created or destroyed.
in a closed system, matter can be created but not destroyed.
in a closed system, matter can be destroyed but not created.
What is a pure substance in which two or more atoms are bonded together? (Can be the same or different atoms)
compound
element
mixture
molecule
Imagine you have a whole cookie. You break the cookie into tiny pieces and crumbs. You weigh all of the pieces and crumbs. How does the mass of the whole cookie compare to the total mass of the pieces and crumbs?
The whole cookie weighs more than the pieces and crumbs.
The whole cookie and the pieces and crumbs weight the same.
The whole cookie weighs less than all of the cookie pieces and crumbs.
There is no way to compare the mass of the whole cookie to the mass of the crumbs.
Eddie has a container of water. The water in the container has a mass of 25 g. He places the container in the freezer, and the water freezes. Which of the following is true?
The mass of the ice is less than 25 g.
The mass of the ice is more than 25 g.
The mass of the ice is equal to 25 g.
There is no way to determine the mass of the ice.
When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produce. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is
a solution.
a mixture.
a compound.
an element.
Cynthia puts 5 seeds and a wet paper towel into a jar and seals the lid on the jar. She measures the mass of the jar to be 650 g. Then, she sets the jar and seeds in a sunny window for 10 days. No one has opened the jar. After 10 days, there are 5 plants growing in the jar. what will the mass of the jar and plants be?
Less than 650 g.
More than 650 g.
Exactly 650 g.
No way to determine the mass of the jar with the plants.
Which of the following is true for mixtures?
In a mixture, the elements keep their properties.
Mixtures are held together by chemical bonds.
Mixtures are separated by chemical reactions.
Mixtures cannot have more than two different elements.
Rex makes himself a bowl of cereal and milk that has a total mass of 273 g. He lets the bowl of cereal sit until the milk has soaked into the cereal grains and made them larger. What would you expect the mass to be now?
Greater than 273 g.
Equal to 273 g.
Less than 273 g.
No way to determine.
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Element, compound, or mixture?
Element
Compound
Mixture
None
Which scientist discovered the law of conservation of matter?
Sir Alexander Flemming
Galileo
Albert Einstein
Antoine Laurent Lavoisier
