Forces Solar System Technology For Space Alabama’s Contributions Eleanor M. Savko Forces Solar System Technology For Space 11/11/2018 Alabama’s Contributions To Space Daily Double 1pt 1 pt 1 pt 1 pt 2 pt 2 pt 2 pt 2 pt 2 pt 4 pt 3 pt 3 pt 3 pt 3 pt 6 pt 4 pt 4 pt 4 pt 4 pt 8 pt 5pt 5 pt 5 pt 5 pt 10 pt

its speed will increase, BUT if you push a car UP an incline, it will If you push a car down an incline (a ramp), its speed will increase, BUT if you push a car UP an incline, it will _____________ _____________.

slow down.

The definition of _______ is a push or pull The definition of _______ is a push or pull. When you push or pull a grocery cart, you are exerting this.

FORCE!

This is a force that stops a bicycle and keeps you from falling when you walk.

FRICTION!

_________ such as oil to Mechanics often use _________ such as oil to decrease friction.

lubricants

If 2 cute toy robots push a box in opposite directions with one robot pushing from the right and the other robot pushing from the left, the box does not move because the forces are…

balanced.

piece of rock or metal that has entered the Earth’s A(n) _____ is a piece of rock or metal that has entered the Earth’s atmosphere.

meteor

A(n) _______ is an object in space made of ice, dust, and gases.

COMET!

rocky object that moves around (orbits) the sun. A(n) _______ is a small rocky object that moves around (orbits) the sun.

The Asteroid Belt is between Mars and Jupiter.

Comets are similar to planets because they both ________ the sun.

orbit (revolve around) Note the planets, comet on the left, and the Asteroid Belt are all orbiting the Sun.

Inner planets are like asteroids in that they are both r____y and d_____e. asteroids Inner Planets

rocky and dense. (Compare the 4 ROCKY inner planets to the four giant GAS outer planets.)

The Hubble Space Telescope is a space-based telescope that is able to take more accurate _______ than Earth-based telescopes.

photographs Cluster of galaxies Nebula

What is an advancement in technology that has greatly improved how we predict the weather?

weather satellites

Due to space exploration, many scientific developments such as disease research, lasers, and pacemakers have benefitted _________ _________.

medical care Pacemaker for the heart. Laser surgery.

If scientists wanted to visit a planet far away like Neptune, they would send a _____ _____, because it would be too far and too dangerous for a crew of astronauts.

space probe A drawing of blue Neptune with its largest moon at the bottom right. The artist has drawn 3 space probes near Neptune and its moons. (The moon only seems bigger than Neptune because it is closer to you. )

What is the name of the scientific research facility that orbits the Earth in outer space? Many countries around the world support it.

The International Space Station

“manned, launched rocket” was built in the The first “manned, launched rocket” was built in the state of _________.

(Huntsville is in north Alabama.)

Alabama is home to the first African-American female astronaut Alabama is home to the first African-American female astronaut. Her name is ___________.

Dr. Mae Jemison

The Hubble Space Telescope was developed by a group of scientists in Alabama known as the _________.

Marshall Team.

In Huntsville, Alabama, this is the place where scientists work on the space program for NASA.

Marshall Space Flight Center

scientist, who developed Who was the key German scientist, who developed early American rockets at the Marshall Space Flight Center?

Dr. Wernher von Braun

What is a smooth surface with very little friction, good for sliding or skating?

ice.

than at the poles. Therefore, the equator will be _____ The sun’s rays are more direct at the equator than at the poles. Therefore, the equator will be _____ in temperature than the poles.

warmer Eleanor M. Savko 11/11/2018 Shine a flashlight onto a black piece of construction paper. Direct light is brighter and equates to Sun. Hold the flashlight at an angle to the black paper; the light dims and is more spread out = poles.

An object that orbits another object in space is called a _______________.

Human-made weather satellites The moon orbits the Earth so it is Earth’s natural satellite! Human-made weather satellites also orbit the Earth.

rest tends to stay at rest? Eleanor M. Savko 11/11/2018 What word describes the idea that a thing in motion tends to stay in motion and a thing at rest tends to stay at rest? Show a pendulum (washer on a string). It moves a long time because the only friction it encounters is air resistance and gravity. Compare that to a heavy table. Both show inertia. It is the reason why we need seatbelts: the car stops suddenly and those in the car keep traveling the former speed of the car.

Eleanor M. Savko 11/11/2018 inertia (A chest of drawers at rest doesn’t move unless lifted or pushed. Planets orbit the Sun and continue orbiting because there is little or no friction to slow them down.)

Two dump trucks are going down the same hill Two dump trucks are going down the same hill. One is empty, and one is filled with heavy rocks. Which truck will build more momentum as they go down the hill?

The truck with the rocks builds more momentum. Eleanor M. Savko 11/11/2018 The truck with the rocks builds more momentum. More mass / more momentum, making it harder to stop. Toy trucks on a ramp will not demonstrate this. The added weight will bear down on the wheels and slow the truck. You need a truck with wheel bearings, made to hold the weight off the wheels. Also, think of an 18-wheeler; you don’t drive too close because it takes a long time for it to stop. A very slow moving wrecker ball is still very hard to stop because of its mass.