WorksheetsUnit 1 & 2 Brain Dump
Total questions: 14
Worksheet time: 28mins
In scientific research, what does a hypothesis represent?
A confirmed theory
An initial assumption
A scientific principle
A constant
Fill in the blank: A law in science is a _______.
Theory
Hypothesis
Description
Variable
Which of the following is an independent variable?
Measured outcome
Changed factor
Repeated trial
Scientific law
In an experiment, the variable that is observed and recorded is the _______.
Independent variable
Dependent variable
Control variable
Constant variable
What does repetition in experiments ensure?
Accuracy
Speed
Creativity
Simplicity
Fill in the blank: Repetition involves _______ multiple trials.
Ignoring
Conducting
Avoiding
Simplifying
Which force opposes the motion of objects?
Gravity
Friction
Inertia
Momentum
Complete the sentence: To move forward, you must exert a force that is _______ to the direction you want to go.
Opposite
Parallel
Perpendicular
Identical
What does the formula D = S x T represent?
Distance = Speed x Time
Density = Mass x Volume
Force = Mass x Acceleration
Energy = Power x Time
Fill in the blank: In the formula D = S x T, D stands for _______.
Density
Distance
Duration
Diameter
What is kinetic energy?
A) Energy of motion
B) Stored energy
C) Heat energy
D) Light energy
Fill in the blank: Potential energy is energy that is _______.
A) Moving
B) Stored
C) Released
D) Absorbed
Fill in the blank: The unit of measurement for force is the _______.
Newton
Joule
Watt
Pascal
Which of the following is a scientific law?
Theory of relativity
Law of gravity
Hypothesis of evolution
Variable of time.
