Force and Motion
What force slows down motion?
Friction
What drives the water cycle?
The sun
Digesting food is what kind of energy?
chemical
How does sound energy travel?
Vibrations-waves through matter
What makes mixtures dissolve faster in a liquid?
heat and stirring
What do you need for magnets to repel and attract to each other?
Repel-like poles
attract-opposite poles
On a very hot day with high humidity, what type of weather would you get?
Rain
What are 2 examples of a conductor and an insulator?
conductors-metal, copper, water
insulators-plastic, wood, rubber
What are 2 ways you can get snow?
32f degrees or 0 C. High altitude (mountains)
What causes matter to change from one state to another?
Temperature
What is an example of balanced and unbalanced forces?
Balanced-no movement
unbalanced-movement
What are 2 ways you could get rainy weather?
Low pressure, stratus clouds, high humidity
What are 4 types of renewable energy and where does it come from?
hydroelectric-water
geothermal-heat in Earth's core
solar-sun
wind
biomass-organic materials
What is the difference between winter in coastal and inland areas?
Coastal-milder temperatures warmer than inland.
What would the order be for a food chain? (carnivores, herbivores, omnivores, producers, sun)
Sun-producers-herbivores, carnivores, omnivores
What are 3 examples of friction being weakened?
Oil, water, smooth surfaces
What are 3 types of clouds and what type of weather do they bring?
Cumulus-sunny
Cumulonimbus-stormy, hail, thunder and lightening
Stratus-light rain
Cirrus- fair weather but could change in 24 hours
What must a circuit have to light up a bulb?
Battery, conductors, closed path
What 3 things happen to light when it hits an object?
bends, reflects, absorbs
What are 3 differences between inner and outer planets?
Inner-hotter, shorter revolution around sun, rocky, smaller, less moons, no rings.
Outer-Gas, larger, rings, more moons, colder, longer revolution around sun
What are 3 types of noncontact forces?
magnetic, gravitational, static electricity
Aquarium-top water droplets-condensation, falling down sides-precipitation
water disappearing from bottom-evaporation
What are 5 out of 7 types of energy and an example of each?
electrical
chemical
sound
light
mechanical
static
What are the 3 states of matter and what are the differences between them?
liquid-takes shape of container definate volume
gas-fills container no definate volume
solid-definate shape and volume
Name and describe 4 ways that minerals are classified.
Hardness-rub 2 minerals together
streak coller-rub across a white tile see color
cleavage-observe break lines
luster-hold up to light