Science Skills
A student changes the amount of sunlight a plant receives each day to see how it affects growth.
What is the independent variable?
Amount of sunlight
Salt is dissolved in water. Homogenous or heterogenous?
Homogenous
A push or a pull is called a ____?
Force
Why do we have day and night?
Earth's rotation
Who is Ms. Sayre's favorite singer?
Taylor Swift
A student tests how different amounts of fertilizer affect plant height. What is the dependent variable?
Plant height
What is an electron's charge?
Negative
The force that opposes gravity while contacting a surface is called?
Normal Force
What force keeps planets in orbit?
Gravity
What is Ms. Sayre's favorite color?
Orange
What type of graph is best for showing relationships between variables?
Line graph
The smallest unit of matter is called what?
Atom
What describes change in velocity?
Acceleration
What is the time it takes for a planet to orbit the sun called?
A year
Where did Ms. Sayre go to college?
The University of Akron
What is the system of measurement that most scientist use called?
Metric System (SI)
What determines the identity of an element?
Protons
What does the slope of a velocity-time graph represent?
Velocity (speed)
What is the star closets to Earth?
The sun
What is Ms. Sayre's favorite sport?
What makes a good scientific experiment, and makes sure experiments produce consistent results?
Controls
Balance the following chemical equation.
___H₂ + ___O₂ → ___H₂O
2H₂ + O₂ → 2H₂O
If acceleration is negative, what does this mean about the motion of an object?
It's slowing down
What causes seasons?
Earth's tilt
What was Ms. Sayre's minor in college?