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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
Validate conclusions
C
Provide practice
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 microscope with a ruler calibrated in microns
B
A metric stick calibrated in centimeters
C
A metric ruler calibrated in millimeters
D
A triple-beam balance calibrated in grams
3) In a controlled experiment, why do scientists try to control all of the variables except one?
A
To see if independent variable will change the control
B
To see if the results will change as the variable changes
C
To see if the dependent variable is larger than the independent variable
D
Because they want to!
4) An unchanging measurement of the amount of matter an object contains is its
A
density
B
length
C
volume
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 develop a detailed poster describing all of the types of items that can be recycled.
C
She should make a chart and list all of the materials that cannot be recycled. She should collect specific data on the total
D
She should sort through items thrown away and collect data on how many of them can be recycled.
6) Which of these terms is NOT used to create a CONCEPT MAP?
A
Science
B
Experiments
C
Beaker
D
Hypothesis
7) The final step at the end of an experiment is to
A
read a book until the class is over
B
turn in your lab report
C
clean your work area according to your teacher's instructions
D
pack up your book bag and wait for the bell to ring
8) Imagine an experiment that you would like to conduct. What are the steps you would take in order to plan the experiment?
A
Write hypothesis, make a observation, do the experiment, collect data, conclusion
B
There are no steps that you have to take when planning to do an experiment.
C
collect evidence, examine data, test differences, draw conclusion
D
Validate procedure, change variables, remove constants, draw conclusion
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
Roll up sleeves
C
Put on cool jacket to impress cute student sitting next to you.
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
Push the skateboard with varying force down inclines set at different angles, and measure the distance traveled each time.
C
Roll the skateboard down inclines set at different angles, and measure the time it takes to roll the same distance each time.
D
Pick up the skateboard and go home.
*select an answer for all questions
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