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Grade 5 Science

Mr. L Fifth Grade Science Review

Sound is a form of energy produced by: vibrating matter
Sound travels in: waves
The ______ of a sound is the number of vibration in a given time. frequency
An object vibrating faster will have a higher frequency and a higher: pitch
Sound is a ______ wave. compression
The distance between compressions, or between the peaks of two waves is the: wavelength
What kind of matter does sound travel through fastest? solids
Sound travels slower through gases than through liquids and solids because the molecules in gases are: farthest apart
Dogs, bats and other animals can hear ________ sounds that humans cannot hear. Whales can hear lower frequency sounds. higher frequency
Musical instruments _____ to produce sounds. vibrate
An instrument that uses sound echoes to measure see the ocean floor or underwater objects is a: sonar
_______ is a combination of several different wavelengths of light traveling together. white light
The wavelengths of light from longest to shortest are red, orange, yellow, green, blue, indigo, violet. To remember this we use: Roy G Biv
The color light with the longest wavelength is: red
The color light with the shortest wavelength is: violet
Light travels much _____ than sound through the atmosphere. faster
Light travels in straight paths called: rays
When light bounces off an object, it is: reflected
When light bends, it is: refracted
When light passes through an object, it is: transmitted
Light passes easily through a window because the glass is: transparent
Some light can pass through wax paper. Wax paper is: translucent
Light can't travel through a wall. A wall is: opaque
When white light passes through a ________ , the different wavelengths bend at different angles, so we see a rainbow of colors. prism
A concave and convex lenses bend or _____ light. refract
There are over 100 pure substances, called: elements
The smallest part of an element is an: atom
When two of more elements combine to make a completely new substance, it is called a: compound
The smallest part of compound is a: molecule
H2O is a compound known as: water
NaCl (Sodium Chloride) is a compound called: salt
Substances that combined but can be separated again are called: mixtures
A mixture in which one substance dissolves in another is called a: solution
Sugar mixed into water is a_______ because if the water evaporated, the sugar would remain in the container. solution
The three states of matter are: solid, liquid, and gas
If you heat a solid, it may: melt
If you cool a gas, it may _______ into a liquid. condense
If you cool a liquid, it may ______ into a solid. freeze
Clouds, dew, water droplets on the outside of a glass on a hot day, are all caused by: condensation
In a solid, the molecules are: tightly packed and barely moving
In a gas the molecules are: moving fast and spread apart
Living things are made of: cells
Using a ______ you can see many parts of a cell. microscope
Plant cells tend to be: rectangular
The control center of the cell is the: nucleus
The jellylike substance in a cell is the: cytoplasm
The water and waste storage sacs in a cell are called: vacuoles
The outer layer of an animal cell is the: cell membrane
Plant cell have cell membranes but they have another stiff outer layer called the: cell wall
Plants cell also have _____ which hold chlorophyll needed for photosynthesis. chloroplasts
To which kingdom to bacteria belong? Monera
To which kingdom to mushrooms belong? Fungi
To which kingdom do most algae belong? Protists
Are most plants vascular or nonvascular? Vascular
Plants that do not have special veins to transport food and water are: nonvascular
Name a nonvascular plant that grows on rocks. moss
Animals with backbones are: vertebrates
Animals without backbones are: invertebrates
Snakes, lizards and fish are: vertebrates
Clams, squid, worms and insects are: invertebrates
The ocean covers how much of the Earth? Seventy percent
The shallow parts of the ocean floor at the edges of the continents make up the: continental shelf
The salinity of the ocean varies. Salinity means: saltiness
Wind patterns and different water densities cause: ocean currents
As the depth of the ocean increases, what else increases? water pressure
As the depth of the ocean increases, what decreases? temperature and light
An ocean current which carries warm water from the equator to Europe is: Gulf Stream
The greatest variety of ocean life is in the shallowest part of the ocean, above the: continental shelf
The deepest parts of the ocean are: trenches
It is mostly the pull of the moon's gravity that causes: tides
Underwater mountains caused by plate movements are: mid-ocean ridges
Over a period of time, layers of sediment are pressed together to form these types of rocks. Sedimentary
When molten rock or magma cools below the Earth's surface or cools after erupting from a volcano as lava, this type of rock is formed. Igneous rock
Rocks formed from other types of rocks by intense heat and pressure deep within the Earth are called: Metamorphic rocks
Sedimentary rocks often contain these remains of organisms which tell us a lot about life and Earth in the past. fossils
The Earth's surface is constantly changing due to heat and pressure within the Earth and weathering and erosion at the surface. These processes constantly change rock from one type to another in a cycle called: The Rock Cycle
The two layers of the Earth that are composed mostly of rocky material are: crust and mantle
The layers composed mostly of iron and nickel Inner and outer core
Heat energy causes movement of material within the Earth. Large, continent-sized blocks that move slowly about the Earth's surface due to this heat energy are called: plates
Most earthquakes and volcanoes are located at the boundary of the plates, called: faults
Mountain ranges, including the Appalachian mountains, mid-ocean ridges and trenches are caused by: Plate movements
Rocks on the Earth's surface are constantly being broken down by chemical processes, weather, glaciers and even tree roots. Rocks are broken into smaller pieces in a process called: weathering
Weather rock material, sand and soil can be moved by water and wind in a process called: erosion
Plates that slide against each other are called sliding boundaries - They cause: earthquakes.
Created by: PRO Teacher lit123