Rock Candy Science

Front

Which sentence is an opinion?

• The sugar solution is extremely hot and can cause serious burns.
• A sugarcoated string can provide an initial target for making crystals.
• This may sound very scientific, but learning can be fun when science is sweet.
• Too much food coloring will turn the solution dark, making it difficult to observe crystal growth.

Back

This may sound very scientific, but learning can be fun when science is sweet.

Front

How is the first part of the passage organized? Options: By listing steps in a process, By presenting a problem and a solution, By listing points in order of importance, By describing a cause with a given effect

Back

By listing steps in a process

Front

According to Figure 1, which material should NOT be used to make rock candy? Options: glass jar, nylon strings, paper towel, wooden spoon

Back

nylon strings

Front

What can you tell about the paperclip by looking at Figure 2?

Back

how long the paperclip should hang in the jar

Front

Which statement is true, according to Figure 2?
Options:

The paperclip should float in the liquid.

,

The paperclip should rest outside of the jar.

,

The pencil should not be attached to the string.

,

The pencil should be longer than the jar is wide.

Back

The pencil should be longer than the jar is wide.

Front

undisturbed in Step 9

Back

still

Front

The step shown in Figure 3 is important because it ---
Options: helps keep out dust, initiates crystal growth, prevents tampering by others, keeps crystals growth a surprise

Back

helps keep out dust

Front

The word evaporation in Step 10 most likely comes from a Latin root meaning -

clear ice

,

dissolver

,

steam

,

sugar

Back

steam

Front

What is Figure 4 supposed to represent in this passage? Options: finished rock candy, a liquid sugar solution, sugar crystals that are growing, crusted sugar from the top of the jar

Back

finished rock candy

Front

What is the passage mostly about?
Options:

eating sweets

,

collecting crystals

,

trying an experiment

,

acquiring a new talent

Back

trying an experiment