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WorksheetsPS Unit 1
Total questions: 30
Worksheet time: 18mins
What is a Scientific Law?
A statement about nature that seems to always be true
Scientists’ expectations change the outcome
A factor that does not change
Represents an idea, event, or object to help people understand it
What is a Model?
Represents an idea, event, or object to help people understand it
A factor that does not change
Scientists’ expectations change the outcome
An exact quantity that people agree to use
What is Bias?
Scientists’ expectations change the outcome
A factor that does not change
Represents an idea, event, or object to help people understand it
An exact quantity that people agree to use
What is a Constant?
A factor that does not change
Represents an idea, event, or object to help people understand it
Scientists’ expectations change the outcome
An exact quantity that people agree to use
True or False: For a measurement to make sense, it must include a number and a unit.
True
False
What is the second step in the scientific method?
Form a hypothesis
Conduct an experiment
Make an observation
Analyze data
What is the density of a rock with a mass of 250 grams and a volume of 50 cm³?
5 g/cm³
0.2 g/cm³
50 g/cm³
250 g/cm³
What is the formula for volume?
Length × Width × Height
Length + Width + Height
Length / Width / Height
Length × Width + Height
Which step involves sharing the findings in the scientific method?
Communicate results
Analyze data
Form a hypothesis
Conduct an experiment
In an experiment to see how the amount of sunlight affects plant growth, what is the independent variable?
Height of the plant
Amount of sunlight
Type of plant
Amount of water
In a study to find out how the amount of water affects the time it takes for a paper towel to dissolve, what is the dependent variable?
Amount of water
Type of paper towel
Time taken to dissolve
Temperature of water
Convert 250 milliliters (mL) to liters (L).
0.25 L
2.5 L
25 L
0.025 L
Convert 4.25 liters (L) to milliliters (mL).
4250 mL
42.5 mL
425 mL
4.25 mL
Convert 780 grams to kilograms
Convert 13 meters to centimeters
Convert 1738 centimeters to meters
17.38
17380
1.738
0.01738
Convert 0.28 kilograms to grams
What is the formula for density?
A car is traveling at 65 miles per hour. What is the independent variable.
Jason spends 2 hours studying hoping to improve his math grade. What is the independent variable?
The teacher studies the effect that taking away cell phones in class has on the students learning. What is the dependent variable?
You want to see if the number of hours spent studying affects a student's test score. You change the number of study hours and record the students test score. What is the independent variable?
What is matter?
What is mass?
What is biotechnology?
What is the SI base unit for temperature?
What is the SI base unit for mass?
What is the SI base unit for length?
What is the SI base unit for time?
Science can explain and solve every problem
True
False
