Force and Motion
Light Waves
Magnets
Energy
7th Grade
100

What is friction?

The force between an object and the surface it is moving across?

100

True of false, there is only one type of light

False

100

The north pole of a magnet is attracted to the north or south pole of a different magnet? 

South Pole

100

What is kinetic energy?

Energy of something in motion

100

What is the process called when plants convert light energy into useable energy? 

Photosynthesis

200

What is velocity?

The speed and direction of an object.

200

When light hits an object, what are the three main ways the light can react. 

It can be absorbed, reflected, or transmitted

200

When two magnets are locked in place and cannot move, but are attracted to each other, what type of energy do they have?

Potential Energy

200

What is potential energy

Energy of something at rest

200

The movement of molecules in a solid can be described as? 

Moving in place

300

If an elephant and a horse hit a wall at the same velocity, which animal will exert a higher force on the wall and why? 

The elephant because it has more mass. 

300
What light is absorbed by an orange?

Every color except orange

300

You move two magnets that are attracted to each other, further apart. What has happened to the potential energy?

It has increased

300

What is the difference between energy conversion and energy transfer?

Energy conversion changes energy types, while energy transfer just changes the device that holds the energy

300

A scientist did an experiment on how the amount of sugar consumed at breakfast and students test's scores. What is the independent variable? 

The amount of sugar consumed at breakfast

400

What is the unit used to measure force?

N (Newtons)

400

What is a type of gas that absorbs UV light?

Ozone or Nitrogen Dioxide

400

If you move two magnets that are repelled from each other, closer together. What has happened to the potential energy? 

The potential energy increases

400

Name 4 nonrenewable energy sources

Coal, Oil, Natural Gas Nuclear

400

At room temperature, which molecules have higher molecular movement?  H2O or CO2

CO2

500

What were the three criteria that were measured during the supply pop drop? 

Price, Cargo Damage, and Shell Condition

500

What type of visible light allows for the least amount of photosynthesis to take place in a plant?

Green Light

500

What is an electromagnet?

A magnet where the magnetic fields are turned on by an electrical current. 

500

What is on top if ITDS's roof that provides energy to the school? 

Solar Panels

500

What is it called when a solid turns into a gas

Sublimation