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Process Skills
Test Description: Junior High TEKS aligned
Instructions: Answer all questions to get your test result.
1) Science students conducting an investigation to compare the dissolving rates of Epsom salts and table salt. One group received samples in unlabeled containers. The students should
A
go to the laboratory preparation room and get new samples.
B
create their own experiment using the unknown substances.
C
ask the teacher for labeled samples.
D
taste the samples to see which sample is table salt.
2) A student spills vinegar on the floor during a laboratory investigation. The student should
A
wipe up the spill with newspaper.
B
notify the teacher immediately.
C
cover the spill with a trash can.
D
tell the teacher at the end of class.
3) A student is conducting an experiment that involves the use of chemicals. Which of the following behaviors should the student avoid while in the lab?
A
taking notes with a pen
B
drinking a soda
C
asking for help from the teacher
D
using water to clean the glassware
4) Students use a candle to study light energy. During this investigation, the students should wear -
A
aprons
B
fire blankets
C
sunglasses
D
goggles
5) Which of the following might be the materials list for an experiment?
A
Temperature, light, and time
B
Data tables, graphs, charts, conclusion
C
Meters, liters, and kilograms
D
Plastic containers, soil, water, thermometers, and plants
6) A student places a chocolate bar outside on a sunny day in order to observe the effects of solar energy on chocolate. Which statement is the best hypothesis for this experiment?
A
Solar energy will cause the chocolate bar to melt.
B
The chocolate bar looks shiny after five minutes.
C
It takes ten minutes for the chocolate to melt.
D
The chocolate bar is sweet and contains sugar.
7) A student needs to measure 8.25 mL of a liquid chemical for an investigation. What measuring device should the student use for the most accurate measurement?
A
measuring cup
B
beaker
C
petri dish
D
graduated cylinder
8) When working with unpleasant vapors, you should always -
A
work in a well-ventilated area.
B
inhale vapors directly.
C
make sure you work in a closed area.
D
test odors often by breathing deeply.
9) Which of these is a hypothesis that can be tested through experimentation?
A
Roses are the prettiest flowers.
B
Bacteria grow faster in warmer temperatures.
C
Dogs wag their tails faster when they are happy.
D
Fish like to eat in the morning.
10) After Julie finished her science lab, she had three containers of powders. What she should do with the materials after she has finished her lab activity?
A
Return them to their original containers
B
Throw them in the trash can
C
Wash them down the sink
D
Ask the teacher
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