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What will happen to a sample of tap water when it is cooled in a refrigerator?

• The motion of the water particles will speed up.

• The motion of the water particles will slow down.

• The motion of the water particles will stop completely.

• The motion of the water particles will remain the same.

Which factor is most important for determining the phase in which a substance exists?

• its mass

• its density

• its volume

• its temperature

Marcus was given a mystery mixture in science class. The mystery mixture weighed 80 grams. After sorting the mixture’s contents into four groups, he weighed each group and got the following results. What is the most likely weight of group 4?

• 6

• 15

• 28

• 43

True or False -

Mass and weight are the exact same thing.

• true

• false

Tasha takes a trip to an orchard to pick apples with her friends. Tasha and her friends combine their apples and put them on a scale. The weight of the apples is more than the scale can measure.

Which will give Tasha and her friends the MOST accurate weight of the apples?

• Weigh an empty box then put the apples in the box.

• Adjust the scale so it shows a measurement of the apples.

• Divide the apples into smaller sets and weigh each set separately.

• Weigh one apple and multiply the weight by the number of apples.

A jeweler melts gold to make jewelry. As the gold melts, the mass

• increases.

• decreases.

• is destroyed.

• stays the same.

Mass is measured using a __________________.

• beaker

• graduated cylinder

• ruler

• balance scale

Irving received two of the same model trucks. He assembled one and left the second model in its parts.

Which balance BEST shows how the assembled model compares to its parts?

• 
• 
• 
• 

Jayden has a banana. He uses a balance and measures the mass of the banana to be 50 grams. Jayden cuts the banana into 5 pieces. He puts the 5 pieces on the balance.

What will Jayden most likely write down as the total mass of the 5 pieces of banana?

• 50 grams

• 10 grams

• 5 grams

• 100 grams

Which phase change causes an increase in the motion of atoms?

• liquid to solid

• gas to liquid

• liquid to gas

• gas to solid