GO
had ng 5
of paper. Pls. do not write anything on the test paper.
1. Food coloring spreads out faster in hot water than in cold water. This is mainly because
A. Hot water is less dense.
B. The molecules in hot water are larger
C. The food coloring molecules are small
D. The water molecules in hot water move more quickly.
halan
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2. When a thermometer is heated, the red liquid inside the thermometer moves up because
A. red liquid is thin.
B. hot liquid is lighter.
C. the glass of the thermometer gets hot.
D. the molecules of the liquid move faster and get a little further apart.
sa
3. When you heat a sample of gas, what happens to the particles that make up the gas?
A. The particies move faster
B. The particles break apart
C. The particles get smaller
D. The particles become more dense
4. When a thermometer is cooled, the red liquid inside the thermometer moves down.
This is due to:
A. Cold liquids sink
B. The red liquid is thick
C. The glass of the thermometer gets cold
D. The molecules of the liquid move slower and get a little closer together
5. When you heat a sample of a solid, the sample gets a little bigger. This explains that
A. Heat helps the particles grow
B. Heating the sample makes it lighter
C. Heating helps the particles slide past each other
The narticles move faster and get a little further apart
the snare​