1
statement about what will happen next in sequence of events
prediction
comparing what you know with the information you are given to decide whether you agree with it
critical thinking
describes a pattern or an event in nature that is always true
scientific law
possible explanation about an observation that can be tested by scientific investigations
hypothesis
logical explanation that is drawn from prior knowledge or experience
inference
interpretation of observations
explanation
description of how similar or close measurements are to each other
precision
factor that is measured or observed during an experiment
dependent variable
significant digits
using one or more of your senses to gather information and take note of what occurs
observation
name 2 tools used in Science that have a similar purpose
magnifying glass/ microscope
Which unit of the International System of Units is used to measure mass?
length?
temperature
Kg
M
K
Scientists used scientific inquiry to explore the idea of using protists to make
Biodiesel
True or False. A triple beam balance is used to measure the length of objects
False: meter stick
Place the following in order from largest to smallest.
centi, hecto, mega, deci, milli, kilo
mega, kilo hecto, deci, centi, milli
Define constants in a scientific investigation. Define control group.
constants- things that remain the same
control- the part of the experiment that is not affected by the independent variable
Give a question that is most likely to be asked by a scientist studying life science.
How are birds and reptiles related.
How many significant digits does the number 3670 have?
3
Describe the difference between qualitative description and quantitative description.
quantitative- using numbers to make a description
qualitative- using words to make a description
draw the difference between accuracy and precision
SEE textbook
State the steps in a Scientific Investigation
1. Ask Questions
2. Hypothesize and Predict
3. Test you Hypothesis
4. Analyze your results
5. Draw Conclusions
6. Communicate the results
Define technology. Give an example of a technology that developed as a result of scientific inquiry
SEE TEXTBOOK!
Define Scientific Inquiry. Explain how it can be used in real life situation
SEE TEXTBOOK!
List 3 ways scientists can prevent bias during an investigations
using a large enough sample, preforming blind studies, repeating investigations
HYPOTHESIS: If aphid-infected plants are exposed to ladybugs, then the plants will have fewer aphids after a week.
What is the independent variable? What is the dependent variable? What is the control group?What is the experimental group?
SEE YOUR BELL RINGERS!