1. Which of the following describes what happens to the marbles when mixed with small plastic balls? *
1 point
A. Small plastic balls can be distinguished with the marbles when mixed.
B. Small plastic balls cannot be distinguished with the marbles when mixed.
C. Small plastic balls settle at the bottom of the marbles.
D. Small plastic balls completely mixed with margarine.
2. Margarine is put into the frying pan. If the stove is turned on, what change could happen to the margarine? *
1 point
A. It will dissolve.
B. It will harden.
C. It will evaporate.
D. It will melt.
3. Mixtures that have the same composition throughout, and whose individual elements are not easily distinguishable are known as ______. *
1 point
A. Heterogenous mixture
B. Homogenous mixture
C. Non homogenous mixture
D. None of the above
4. When the solid material is mixed with other solid material in which the combined materials can be easily identified with each other such mixture is called _____. *
1 point
A. Heterogenous mixture
B. Homogenous mixture
C. Non homogenous mixture
D. None of the above
5. When two or more materials are combined a _____ is formed. *
1 point
A. Colloid
B. Mixture
C. Solid
D. Liquid
6. Mixing together two solids without melting them together, typically results in a ____ mixture. *
1 point
A. Heterogenous mixture
B. Homogenous mixture
C. Non homogenous mixture
D. None of the above
7. Which of the following describes what happens to the white sugar when mixed with iodized salt? *
1 point
A. White sugar can be distinguished with the iodized salt when mixed.
B. White sugar cannot be distinguished with the iodized salt when mixed.
C. White sugar settles at the bottom of iodized salt.
D. White sugar completely mixed with iodized salt.
8. Vince heated a chocolate bar to make a chocolate syrup. Which of the following describes what changes happened in the property of the chocolate bar when it is heated? *
1 point
A. The chocolate bar changed its size and shape.
B. The chocolate bar changed its taste and odor.
C. The chocolate bar changed its texture and odor.
D. The chocolate bar changed its odor and texture.
9. What change would happen in the properties of water when you place it inside the freezer? *
1 point
A. It will melt.
B. It will harden.
C. It will evaporate.
D. It will dissolve.
10. What kind of mixture are cereal and milk powder? *
1 point
A. Solid and solid
B. Liquid and liquid
C. Solid and liquid
D. Liquid and gas​