Investigating Flashcards
What holds the clamp to a retort stand?
Bosshead
Give 6 examples of the disciplines of science.
- Earth Science
- Biology
- Psychology
- Physics
- Astronomy
- Chemistry
What is used to hold small objects while they are heated or to pick up hot glassware?
Tongs
What is a container for heating small amounts of substances over a Bunsen burner called?
Evaporating Dish
What holds small quantities of solids?
Watchglass
What is a conical flask?
A container for mixing substances or collecting filtered substances.
What is a filter funnel?
Glass equipment used with filter paper to filter substances.
What is a spatula used for?
Used to pick up small amounts of solid substances.
What are the steps to lighting a Bunsen burner?
- Check gas tube and connect.
- Close the air hole.
- Light a match and bring it next to the barrel.
- Turn on the gas.
Which part of the Bunsen burner is the hottest?
Tip of the blue flame.
How many parts are there of a Bunsen burner?
What are they?
6.
- Flame
- Barrel
- Air Hole
- Base
- Gas Tube
- Collar
Name 3 dangers in the laboratory.
Looking into a test tube.
Leaving a lighted Bunsen burner unattended.
Eating food in the laboratory.
What is an example of parallax error?
Reading measurements on a beaker, ruler, measuring cylinder etc.
Which part of the meniscus do we measure?
Middle flat section.
What is the structure of a scientific report?
Aim Materials Procedure (Method) Results Discussion Conclusion
Name four different types of graphs.
Pie, Column, Bar, Line.
What is the independent variable?
The one being changed.
What is the variable being measured called?
Dependant variable.
What are controlled variables?
Variables that are kept the same throughout.
How many variables should be changed at a time?
One
Name 7 famous scientists.
- Alexander Fleming
- Benjamin Franklin
- Louis Pasteur
- Albert Einstein
- Galileo Galilei
- Isaac Newton
- Marie Curie
What do you use to draw scientific equipment?
Sharp pencil
Ruler
When points in a line graph form a curve what do you draw?
Curve of best fit.
Does a curve of best fit join all the dots?
No
When a line graph shows a linear relationship (y=x) what do you draw?
A line of best fit.
What is extrapolation.
When a graph line is extended to follow the trend of the line or curve.
What is it called when we determine a value from a line graph that is not known.
Interpolation
