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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
conclusion
B
graph
C
hypothesis
D
word processor
2) What is a theory?
A
A scientific explanation for a natural phenomenom that has been repeatedly tested.
B
An educated guess.
C
A scientific explanation proven to be true.
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
repeat the experiment
B
start taking measure to reduce the acidity in the pond
C
conclude that all lakes nearby are acidic
D
disregard the results and start all over
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
distance and time
B
mass only
C
mass and distance
D
time, distance, mass
6) Which of the following lab equipment would you use to find the volume of a marble?
A
balance
B
ruler
C
graduated cylinder
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
water
B
types of light
C
height of the plant
D
tomato plants
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
tomato plant under red light
C
watered plants
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 it with baking soda
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
justified
B
accurate
C
precise
D
a meter
*select an answer for all questions
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