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