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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
hypothesis
D
graph
2) What is a theory?
A
A scientific explanation proven to be true.
B
A predicted outcome.
C
A scientific explanation for a natural phenomenom that has been repeatedly tested.
D
An educated guess.
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
repeat the experiment
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
Your hand could catch on fire.
C
You could get a chemical burn.
D
You could get a bacterial infection.
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
balance
B
beaker
C
ruler
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
types of light
B
tomato plants
C
height of the plant
D
water
8) A scientists hypothesizes that plants will grow faster when given fertilizer. What is the control group in this experiment.
A
tomato plant that grows in soil without fertilizer
B
tomato plants receiving fertilizer
C
tomato plant under red light
D
watered plants
9) When diluting an acid you should always....
A
pour the acid into the water
B
mix it with baking soda
C
pour the water into the acid
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
a meter
B
justified
C
accurate
D
precise
*select an answer for all questions
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