Science
What are the three states of matter?
Solid, Liquid, Gas
What does “URL” stand for?
Uniform Resource Locator
What simple machine helps lift heavy objects using a pivot point?
A lever
What is 64−25?
39
What part of the cell controls what enters and leaves?
Cell membrane
Which device converts digital data into sound that you can hear?
A speaker
Triangle
A rectangle’s perimeter is 30 cm, and its length is 9 cm. What is its width?
6 cm
In photosynthesis, what are the two main products formed?
Glucose (sugar) and oxygen
What is the main difference between hardware and software?
Hardware is the physical parts of a computer. Software is the set of programs or instructions that run on it.
Name one renewable energy source engineers use to generate electricity.
Solar, wind, hydroelectric, or geothermal.
Solve for x: 3x-7=2x+8
x=15
Describe one way energy is transformed in the human body when running.
Chemical energy from food is converted into kinetic energy for movement and heat energy.
What is an algorithm?
A set of step-by-step instructions to solve a problem.
How does tension and compression forces act on a bridge’s beam?
The top of the beam experiences compression (pushed together) while the bottom experiences tension (pulled apart)
What are the x-intercepts/roots of the equation: (x-2)(x+5) = 0
x=2 and x=-5