Physical Science review

Colored part of the eye

Iris

This part of the eye contracts and expands to let light in

Pupil

What's the difference in speed and velocity

Speed is only a number

Velocity is speed with number and direction

Rows=

Period

Columns=

Groups

List 3 simple machines

Lever, Pulley, Screw

Formula for work

Work=Force x Distance

Formula for Power

Power= Work / Time

Top of wave

Crest

Bottom of Wave

Trough

Example of Newtons 1st

Ball sitting on the ground will remain still unless you kick it

Example of Newtons 2nd

Moving car

Example of Newtons 3rd

Trampoline

Mechanical waves much have a ______ to travel through

Medium

Electromagnetic Waves (EM Waves) can travel through a ______

Vacuum

List 4 Steps of the scientific method

1. Make observations

2. Form Hypothesis

3. Experiment

4. Form a Conclusion

Name the 3 parts of and Atom

Protons, Neutrons, Electrons

What type of mixture looks the same

Homogeneous

what type of mixture is evenly distributed and looks different

Heterogeneous

Name a Physical Property

Density

Name a Chemical Property

Flammability

Name 3 forms of energy

Nuclear, Heat, Light

Stored Energy

Potential Energy

Energy in motion

Kinetic