Human Body
Materials: Properties and Changes
Rocks, The Rock Cycle, and Soil
Food Chains and Food Webs
Forces and Electricity
Light and the Solar system
100
The main organ in the circulatory system is this.
The heart
100
The three states of matter
Solid, liquid, gas
100
The three types of rock are
Igneous, sedimentary, metamorphic
100
A basic food chain is (give examples)
grass->insect->frog->snake
100
The "Great Force" that acts on everything is
Gravity
100
How long is an earth day?
24 hours
200
Doing this can help prevent disease.
Wash your hands/face
Wash dishes
Cook food properly
Clean surfaces/rooms
200
_____ is the melting point of ice and _____ is the boiling point of water.
0C; 100C
200
Three different types of soil are
Sand, Silt, clay, and loam
200
An example of a producer in a food web is this
Plants
200
Motor
200
Name the first 4 planets of the solar system
Mercury, Venus, Earth, Mars
300
The 4 parts of the respiratory system are these.
Lungs, nose, diaphragm, windpipe(trachea)
300
Two good conductors of heat are
Two bad conductors of heat are
Silver, Copper.....
Wood, plastic
300
Magma when cooled turns into this kind of rock
Igneous
300
The difference between mass and weight is this
Mass is how much material something is made of.
Weight is the force of gravity on an object
300
What do we see when something is reflected off a surface?
A mirror image
400
______are blood vessels that carry blood away from the heart, and _____ are blood vessels that carry blood to the heart.
Arteries; Veins
400
An example of a reversible change.
And example of a non-reversible change.
Melting/freezing ice
Burning a match
400
Weathering and erosion causes this type of rock to form
Sedimentary
400
Lower populations in higher level consumers is because of this
Loss of energy
400
When this is larger, push/pull forces can more easily affect and object
Area
400
How many meters do we need if we want to draw a solar system to scale?
150m
500
This organ is the bridge between the circulatory system and the respiratory system
Lungs
500
We can do this to make solids dissolve faster in liquids.
Stir, heat it up...
500
When limestone is heated it makes this kind of metamorphic rock
Marble
500
The accumulation of this can cause the breakdown of an ecosystem
Pesticide, insecticide, microplastic
500
The difference between a series circuit and a parallel circuit is this
A series circuit is when all components are on the same line/switch. A parallel circuit is when components are on different lines/switch
500
What is the difference between reflection and refraction?
Reflection is light bouncing off a surface. Refraction is light bending because of a change in medium.