Practical Focus
Presentation
•
Science
•
11th Grade
•
Medium
Alec Castro
Used 2+ times
FREE Resource
21 Slides • 22 Questions
1
Practical Focus
2
3
4
5
Multiple Choice
What equipment is used to observe cells?
Microscope
Quadrats
Potometer
Visking Tube
6
Multiple Choice
Which enzyme breaks down lipids?
Protease
Helicase
Amylase
Lipase
7
Multiple Select
What are the 3 types of adaptations?
Structural
Behavioural
Physiological
Functional
Psychological
8
Multiple Choice
What does the water in the visking tube represent?
Water
Blood
Hydrocloric acid
nutrients
9
10
11
12
13
14
Poll
Which microscope has higher magnification and resolution?
Light
Electron
15
16
Multiple Choice
What must you do to the slide to prevent it from slipping?
Clip it in place
Stick it with tape
Use a cover slip
Nothing
17
Multiple Choice
When using a microscope, use the lowest objective lens first.
False
True
18
19
Open Ended
Define "magnification"
20
Open Ended
How do you calculate the total magnification of a microscope?
21
Fill in the Blanks
If a microscope has X30 Eyepiece lens and X14 objective lens, what is the total magnification?
Type answer...
22
23
Multiple Choice
How do you calculate magnification?
Image / actual
image x actual
actual / image
actual X image
24
Multiple Choice
How do you calculate actual size?
use a ruler
image x magnification
image / magnification
magnification / image
25
Multiple Choice
How do you convert millimetres to micrometers?
X10
X100
X1000
X1
26
27
Open Ended
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. What equipment do they need?
28
Multiple Choice
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. What is the IV?
the student
the measurement the ruler was caught
Whether the student has had caffeine or not.
the ruler
29
Multiple Choice
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. What is the DV?
The student
The amount of caffeine
The length the ruler was caught
the type of caffeine
30
Open Ended
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. give 3 CVs.
31
Open Ended
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. How can they improve reliability?
32
Open Ended
A student wants to investigate the effect of caffeine on reaction time using the ruler drop test. How can they improve validity?
33
Poll
Is the ruler drop test a reflex?
Yes
No
34
35
36
37
Open Ended
Why is it important that the quadrats are placed in random?
38
Open Ended
How do you increase the reliability of the experiment?
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40
41
42
43
Practical Focus
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