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Objective 1 Test
Test Description: Objective 1 questions
Instructions: Answer all questions to get your test result.
1) What would a researcher use to show comparisons between variables?
A
word processor
B
conclusion
C
graph
D
hypothesis
2) What is a theory?
A
A scientific explanation for a natural phenomenom that has been repeatedly tested.
B
A scientific explanation proven to be true.
C
An educated guess.
D
A predicted outcome.
3) A scientists conducts an experiment and concludes that the water in the pond is acidic. What should his next steps be?
A
start taking measure to reduce the acidity in the pond
B
conclude that all lakes nearby are acidic
C
disregard the results and start all over
D
repeat the experiment
4) What is the potential danger of spilling a chemical on your hand?
A
You could cut your hand.
B
You could get a chemical burn.
C
You could get a bacterial infection.
D
Your hand could catch on fire.
5) What data would a student need to collect to determine the speed of a car?
A
mass only
B
mass and distance
C
distance and time
D
time, distance, mass
6) Which of the following lab equipment would you use to find the volume of a marble?
A
ruler
B
beaker
C
balance
D
graduated cylinder
7) You are testing a group of tomato plants to find out if light effects plant growth. What is the independent variable in this experiment?
A
height of the plant
B
tomato plants
C
types of light
D
water
8) A scientists hypothesizes that plants will grow faster when given fertilizer. What is the control group in this experiment.
A
watered plants
B
tomato plant under red light
C
tomato plant that grows in soil without fertilizer
D
tomato plants receiving fertilizer
9) When diluting an acid you should always....
A
mix it with baking soda
B
pour the water into the acid
C
pour the acid into the water
D
mix the base with water first
10) If the true value of a substance is 100, and we have 99.7 as our answer, then our answer is....
A
precise
B
a meter
C
accurate
D
justified
*select an answer for all questions
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