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Which of these occurs during all chemical changes?
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Which two items are BEST to use to determine the combined volume of 3 small rocks?
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Student records the speed of blue cars vs red cars. The avg speed of red cars was 70 mph, avg speed of blue cars was 68 mph. The student concludes that red paint makes cars go faster. Which statement identifies an error in the student's conclusion?
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
A student observes that a gas is formed when chemical Y is added to chemical Z in a lab. The student's observation of a new product being formed is the common outcome of all
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
A combination of salt and sugar grains is BEST classified as a mixture because
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Wire coils spinning between 2 magnets will produce
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Which keeps Earth in its orbit?
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Which elements make up MOST of the earth's atmosphere?
the gravity of the sun
graduated cylinder and water
the conclusion claims that there is a cause and effect without evidence
no new chemical bonds are formed between the salt and sugar grains
oxygen and nitrogen
chemical changes
new bonds form between atoms
electricity
Check it!