Week 1 Summer Fun
What does a "bubble sandwich" consist of?
Soap, water, soap
Sound is made up of _____________.
Vibrations
With magnets, opposites ______________.
Attract
Why are there seasons on Earth?
Because Earth is tilted on its axis
You look for these at a crime scene. No two ________ are the same.
Fingerprints
Who made the 3 laws of motion?
Isaac Newton
What type of scientist builds boats?
Engineers
Why does your hair stand up when you rub a balloon on it?
Because of static electricity
Name on simple machine Egyptians used to make the pyramids.
Lever/Ramp/Pulley
What is T; C
Why do things sink or float?
Density
Sound travels in ________.
Waves
When you combine two or more substances and make something completely new it is called a __________ reaction.
Chemical
What is an object called if light CAN'T pass through it? (HINT: causes a shadow)
Opaque
What are the three types of fingerprints?
Arch, loop, and whorl
What does weathering, erosion, and deposition do? (think of the song!)
weathering breaks it, erosion takes it, deposition drops it
Why does water rise when you put something in it (like rocks or your body)?
Because of water displacement
Magnets attract objects made out of _________.
Iron
Name the oceans.
Pacific, Atlantic, Indian, Southern, Arctic
What are the three types of muscles?
Cardiac, Skeletal, and Smooth
Name two of Newton's laws.
An object in motion/rest will remain in motion/rest unless an object acts upon it.
Force=mass times acceleration
For every action, there's an equal and opposite reaction
What are two forces that help bridges stay up?
Tension and compression
When you separate mixtures into their individual components (like black marker on paper in water into all the colors) it is called what?
Chromotography
What are the 4 forces on an airplane?
Thrust, drag, weight, and lift
What does DNA stand for?
What is deoxyribonucleic acid