Identify each of the following as an element (E), heterogeneous mixture (HE), compound (C), or homogeneous mixture (HO) by dragging to the correct category.
taco
penny
copper (II) chloride
water
Trix© cereal
potassium
element
heterogeneous mixture
compound
homogoneous
Drag the correct term to complete the sentence.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Liquid | arrow_right_alt | A _____ property of water is that it is unreactive with oil. |
Bonded | arrow_right_alt | ____ is an example of a physical change. |
Physical | arrow_right_alt | In the _____ state, substances have a definite volume and an indefinite shape. |
Indefinite | arrow_right_alt | Anything that has mass or volume is called _____. |
Analysis | arrow_right_alt | Phase changes are classified as _____ changes. |
Matter | arrow_right_alt | In the scientific method, _____ is the step in which experimental results are used to decide the validity of each hypothesis. |
Freezing | arrow_right_alt | In the gas state, a substance will have a(n) _____ volume. |
Chemical | arrow_right_alt | In a compound the elements are _____ together, whereas in a mixture the substances are blended together. |
Identify each of the following as a physical change or chemical change by dragging to the correct category.
dissolving salt
mixing sand and water
rusting iron
boiling water
digesting Taco Bell©
melting butter
Physical Change
Chemical Change
What is the correct amount for the question mark in the formula below?