Physical Science
Name the 3 states of matter.
Solid, liquid, gas.
What is the function(s) of the skeletal system?
- Provides structure
- Protects organs
- Connects to muscles for movement
This type of energy comes from the sun.
Solar energy.
What is erosion?
The process in which the surface of the earth is changed little by little.
What is the function of the kidneys?
To filter toxins and junk out of the blood and remove it from the body.
What type of tool should you use to separate iron from sand?
A magnet.
What is the function of the heart/ circulatory system?
To move blood through the body.
How do plants acquire the energy they need to live?
Photosynthesis, water and sunlight.
What is an example of how erosion changes the earth's surface?
Riverbeds, mushroom rocks, jagged mountains, sandy beaches, etc.
Name a material that we use in every day life that comes from an animal.
Leather, wool, hide, etc.
How could you separate salt from water?
Boil and evaporate the water.
What is an adaptation of the Arctic Fox that helps it survive in its cold environment?
Its warm fur.
All energy that we get from food was once energy from __________.
the sun.
What causes the tides to change?
The moon's gravitational pull.
You have a mixture of metal, sand and pebbles.
How can you use a magnet and tweezers to separate all 3 materials into separate piles?
Use the magnet to remove all of the metal. Then use the tweezers to remove the pebbles.
Give an example of a chemical reaction and a physical reaction.
Chemical: Baking a cake, burning something, digestion, etc.
Physical: Ripping paper, boiling water, mixing 2 things together, etc.
How are lungs in a human and gills on a fish similar?
They both provide oxygen to the body.
What is hydro energy?
Energy that comes from moving water.
What is the force that causes the planets to revolve around the sun, the moon to revolve around the earth, and us to stay on the ground?
Gravity.
List 3 renewable energy resources.
Water, heat from the earth, solar energy, wind energy, trees, etc.
You have a container filled with 6 large marbles, 6 small marbles, and water. The total mass is 760g.
Each large marble weighs 10g.
What is the mass of the container if I remove the large marbles?
700g
Name 3 other living things that have similar body structures to humans.
Any kind of mammal.
List 3 nonrenewable energy resources.
Oil
Natural Gas
Fossil Fuels
Coal
Nuclear Energy
Name the 4 spheres of the earth that all interact together.
Biosphere
Geosphere
Hydrosphere
Atmosphere
You have a bowl of rocks and sand. After putting it on a scale, you find that it has a mass of 930g. Explain how you can you find the mass of the sand without the rocks or the bowl.
(you can't pour the sand on the scale)
Take out the rocks, find the new mass. Subtract from the total to find the mass of the rocks.
Dump the sand into another container, find the mass of the bowl.
Subtract the mass of the bowl and the mass of the rocks from the original mass.