1.How is friction produced? 2.What effect does friction have on the speed of a rolling object? 3.What type of surface will produce the most friction when.

1st Quarter Science Study Guide

Essential Questions????????

1.How is friction produced?2.What effect does friction have on the speed of a rolling object?3.What type of surface will produce the most friction when they rub against one another?4.What types of surfaces will produce the least amount of friction?5.How do inclined planes affect motion?

Force

Inertia

Momentum

Gravitational force

friction

Match the words with the correct definition.

-A mass in motion

-a push or a pull

-any two objects attract each other with_________.

-a force that that makes it difficult to move an object across a surface

-is how difficult it is to move or slow down an object

Friction produces ________ .Heat

Ex. Hands or sticks rubbed together will create heat.

If a meteor was flying into the earth’s atmosphere it might glow because of __________.friction

What types of substances reduce friction?

Oil, water, ice, glass, pam spray, dew, smooth surfaces

Lubricants

What types of surfaces increase friction?

Rough surfaces, carpet, gravel, sandpaper

More friction _______an object’s motion?

slows

Less friction _______an object’s motion?

Speeds up

An objects motion is its __________.momentum

Momentum is determined by the _______ and ______ of and object as well as the angle.Mass and velocity

__________ forces are those that press equally on either side of an object.

Balanced

If you have balanced forces on either side of an object it will __________.

not move

A push or pull is the result of _________________ forces.

unbalanced

An object, like a bicycle, going uphill will have less _______ than an object going downhill.

momentum

An object will stay at rest until put in motion or continue in motion until that motion is stopped or the direction is changed. This is called __________.

inertia

This is why rocks will fall off the back of a wagon if it is jerked forward or your body will jerk forward if a car stops.

More friction _______an object’s motion?

slows

More friction _______an object’s motion?

slows

Essential Questions????????

1. What are some spinoffs that we benefit from on earth?2. How has Alabama contributed to the space industry?3. What was the first manned mission to land on the moon?4. What is the International Space Station (ISS)?

Satellites in Earth’s orbit use ____________ to maintain movement?

Earth’s gravitational force

List some natural satellites found in space?

Moons, comets, asteroids, and meteors

Man-made satellites are put in space by ________ and are put into Earth’s ________.

Rockets orbit

Man-made satellites help us _______, _________, ________, ___________,and________.

Forecast weather, transfer telephone calls oversea, assist in navigation of ships, monitor crops, and support military activities

Some examples of technological advances and other benefits from space exploration are _______.

Velcro, powdered drink mixes, smoke detectors, pacemakers, and joy stick controllers

__________ was the first mission to land on the moon.

Apollo 11

During the unmanned Mars missions _____________ were used to explore the planet.

Mars Rovers (space probes)

The ___________ is a station that orbits the Earth, where scientist from different nations live and conduct research.

MIR International Space Station

What are some of Alabama’s contributions to the space industry?

Redstone Arsenal in Huntsville, Saturn V rockets, Space telescope, Marshall team and the Hubble telescope, Dr. Mae Jeminson, Space and Rocket Center in Hunstville

Essential Questions????????

1. What is the sun?2. What is the relative order of the planets from the sun in our solar system?3. How are comets, asteroids, and meteors alike/different?4. Why is Earth the only place that can support living things?

The sun is a medium sized _______ in our solar system.

star

Our solar system contains 1 _______, _________ planets, and ____ dwarf planets?

Star, 8, 3

The inner planets are ___________________________________________________________________________________________________.

Mercury, Venus, Earth, and Mars

The outer planets are ___________________________________________________________________________________________________.

Jupiter, Saturn, Uranus, and Neptune

The inner planets are also know as the ___________ planets.

Rocky planets

The outer planets are also known as the _________ planets.

Gas

Earth is able to support life because ______________________.

of its location from the sun and it is the only planetthat maintains water.

Match the following definitions.

Meteor

Meteorite

Asteroid

Comet

-Tails made of ice and dirt and travel in an elliptical orbit around the sun.

-Small rocks that orbit the sun

-rocks that fall from the suns orbit and enter the Earth’s atmosphere

-A meteor that hits Earth’s surface

Most asteroids are found between _________ and ___________ and are called the ____________________.

Mars Jupiter asteroid belt

Meteors that fall to the Earth are sometimes called ______________ because friction causes them to burn as they enter the atmosphere giving off a fiery glow.

shooting stars

http://www.kidsastronomy.com/solar_system.htm