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Daily Focus Week 1 - 2
Test Description: Daily Focus Review
Instructions: Answer all questions to get your test result.
1) The purpose of repeated experimental trials is to
A
Supply data to record
B
Provide practice
C
Validate conclusions
D
Share the work
2) Which of the following tools would be used to measure the MASS of a piece of metal wire about the size of a paper clip?
A
A triple-beam balance calibrated in grams
B
A metric ruler calibrated in millimeters
C
A metric stick calibrated in centimeters
D
A microscope with a ruler calibrated in microns
3) In a controlled experiment, why do scientists try to control all of the variables except one?
A
To see if the results will change as the variable changes
B
Because they want to!
C
To see if independent variable will change the control
D
To see if the dependent variable is larger than the independent variable
4) An unchanging measurement of the amount of matter an object contains is its
A
length
B
volume
C
density
D
mass
5) Elizabeth developed a hypothesis stating that people throw many materials into the trash that they could be recycled. Which investigate procedure should Elizabeth use to prove this hypothesis?
A
She should play her Nintendo DS and forget about it.
B
She should sort through items thrown away and collect data on how many of them can be recycled.
C
She should develop a detailed poster describing all of the types of items that can be recycled.
D
She should make a chart and list all of the materials that cannot be recycled. She should collect specific data on the total
6) Which of these terms is NOT used to create a CONCEPT MAP?
A
Hypothesis
B
Science
C
Experiments
D
Beaker
7) The final step at the end of an experiment is to
A
pack up your book bag and wait for the bell to ring
B
clean your work area according to your teacher's instructions
C
read a book until the class is over
D
turn in your lab report
8) Imagine an experiment that you would like to conduct. What are the steps you would take in order to plan the experiment?
A
Validate procedure, change variables, remove constants, draw conclusion
B
collect evidence, examine data, test differences, draw conclusion
C
Write hypothesis, make a observation, do the experiment, collect data, conclusion
D
There are no steps that you have to take when planning to do an experiment.
9) During an experiment, you must mix chemicals in a glass beaker and pour the substance in a test tube. What is NOT a safety procedure that you should follow to protect yourself during an experment?
A
Wear safety goggles.
B
Put on cool jacket to impress cute student sitting next to you.
C
Roll up sleeves
D
Clean up spills.
10) Jerome developed the following hypothesis for his science project:
A
Roll the skateboard down an incline, and measure the force with which it hits the wall.
B
Pick up the skateboard and go home.
C
Push the skateboard with varying force down inclines set at different angles, and measure the distance traveled each time.
D
Roll the skateboard down inclines set at different angles, and measure the time it takes to roll the same distance each time.
*select an answer for all questions
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