Observations and Inferences
Lab Equipment
Variables and Graphing
Safety and Rules
Data and Measurement
100
What is an observation in science?
Something detected using the senses.
100
Which piece of equipment is used to measure liquids accurately?
Measuring cylinder.
100
What is an independent variable?
The variable that is changed on purpose in an experiment.
100
Why should students wear closed-in shoes during science experiments?
To protect their feet from spills and falling objects.
100
Whatis the thermometer reading in Celcius?
38 degrees celcius
200
Is “The bike is wet” an observation or inference?
Observation.
200
In a heating setup, what is the name of the metal mesh that spreads heat evenly?
Gauze Mat
200
if you are testing how the amount of fertiliser affects the growth of tomato plants, what would be the most likely dependant variable?
Plant Height, Number of Tomatoes
200
What should you do if someone spills acid on their skin?
Rinse with water immediately.
200
A measuring cylinder shows the water level at 47 mL. What is the volume?
47 mL
300
Is “It must have rained” an observation or inference?
Inference.
300
What is the purpose of a tripod in a lab setup?
To support beakers or other containers over a flame.
300
What is the name of the variable you keep the same in a fair test.
Control
300
Which of the five senses is not used in science experiments?
Taste
300
The graph shows weather over a week. Which day has the highest temperature?
Sunday
400
List 3 observations you could make in a science classroom.
Any 3 examples approved by Mr. Biggar
400
Name three parts of a Bunsen burner.
Barrel, collar, air hole.
400
Based on the graph titled "Solubility of Salt and Sugar," describe how temperature affects the solubility of sugar in water.
As temperature increases, the solubility of sugar also increases
400
What is the correct order to light a Bunsen burner?
Heatproof mat → connect tube → close air holes → light match → turn on gas → open air holes.
400
An empty beaker is 21.6g. Filled, it is 34.6g. What is the mass of the water?
13g
500
What is the difference between an inference and a prediction?
An inference explains what is happening now or has happened; a prediction suggests what will happen in the future.
500
500
At 20o C how much sugar is dissolved?
250g
500
What does this symbol mean?
Corrosive
500
Which condition resulted in faster plant growth over the 8-day period shown, and by approximately how many centimetres did it grow more than the other?
With Light, and it grew approximately 15 cm more than the plant grown without light