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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
What is a basic requirement that a scientific hypothesis must have?
A hypothesis is an educated guess at what the outcome of the experiment will be. This means that the information must be tested to see if the predicted outcome is true or false, and there must be the possibility that it is can be proven false.
What is the controlled variable in redi's experiment on spontaneous generation?
The jar that contained the meat with the cover on it.
When is the only time an experiment is considered a failure?
An experiment is never a failure. Experiments are just to find out what happens.
inertia
What happens to your wet shoe if you do not dry it?
Bacteria love to live in a such a cool temperature it will simply defuse because of that salts, ammonia or any poison your body losing or watering it out while you walking or doing exercise so this will stuck in your shoe giving you a bad smell
What will a scientists do if they make a mistake or a and need to do the experiment again?
redo or retest the experiment
Why should you have as many controls as possible in an experiment?
baecuse so you can have a greater apertunity on getting your anwser
Why do people yawn when they're sick?
People don't just yawn because they're sick, first of all, they're brain sends out a message to the body, and then the body reacts as a yawn. You also yawn when you're tired, or need to lie down.
Who claimed he could harmonize the science of the ancient greek philosophers with christianity?
Saint Augustine claimed he could harmonize the science of the ancient Greek philosophers with Christianity. Augustine believed that the truths found in philosophy could be reconciled with Christian teachings, leading to a deeper understanding of both disciplines.
What does table mean in a scientific way?
A table refers to a graphical array that is arranged by categories and properties in order to organize data.
What animal is easy to classify?
All animals have unique features that allow you to classify them from each other. Some are easier than others and here are some that I think are very easy to classify:
- Bunny: Big or Small ears sometimes floppy or upright. Usually small. Normal colors: Brown, Black, White, Tan, Gray. Feet big.
- Deer: Medium Big/ Males have antlers/ Ears small and upright/ Feet hoofed/ Some have dots on back/ colors: Brown, White, Tan.
- Horse: Big some dwarfed though/ Long tail and mane/ Ears small and upright/Feet hoofed / Some spotted/ colors: Brown, Black, Gray, White, Tan, and sometimes an orange color.
What is a good technology fair project?
A good technology fair project would be to make a rocket that is voice animated.(The rocket will do as you say automatically.)Or a super computer that talks and awnsers all your questions.Or a machine to help you with your daily chores.
What was the first experiment conducted in cloning?
The first successful cloning experiment was conducted by biologist John Gurdon in 1958 with frogs. He transferred the nucleus of a fully differentiated cell from a tadpole into an egg cell that had its nucleus removed. This led to the development of a clone of the original tadpole.
What are good science project names involving roses?
"the life of a rose" or "the way roses are" or "my science prodject on the magnifisint rose" or "how roses get there color".......thats all i could think of. sorry.
What are some good science projects for school?
Each science project will vary depending on your Age, Grade, and Knowledge of science. Before you get to picking a project make sure it, 1. Is in your age group 2.Is easy or hard enough for your grade level and 3. Please make sure it's something that you are capable of doing.
To be quite honest, any science project is a good science project as long as the information that is gathered shows accurate information. Don't select something because it's what others want to know. Choose a project because it's what you find interesting.
Here are some great links for you to try out, too -- lots more help!
Here are a variety of Science Fair Project Ideas
PLANTS-
- Will vitamins affect the growth of a plant?
- What can you add to water to make a potato skin begin to sprout eyes and be viable for planting and growing potatoes?
- Which types of seeds grow fastest in artificial light (no sun, just indoor lighting)?
- Do weed killers affect house plants?
- How do the moon phases affect plant germination?
- How fast do roots grow?
- Does the amount of light on plants affect their growth?
- Does the amount of water given plants affect their growth?
- What is the effect of detergent on bean seeds?
- Under what color light do plants grow best?
- In what kind of material (sand, clay, etc.) do seeds grow best?
- What is the effect of chlorinated water on plant growth?
- How does the number of seeds produced by different plants compare?
- Will frozen seed sprout?
- Will frozen vegetables "planted" in soil produce plants-- why or why not? (Both natural vegetables that are frozen, and those canned or frozen in manufacturing).
- Do plants grow better in soil or water?
- What can be done to increase the decomposing rate of plants?
- Do loving plants give off moisture?
- Do living plants give off oxygen?
- What is the effect of fats and cholesterol on plants?
- How does a compost work to change food garbage to nutrient rich topsoil?
- What effect does the addition of snails have on plants in a 2-foot square flower bed or vegetable garden?
ANIMALS AND INSECTS
- What kind of life can be found in 1 square meter of backyard soil?
- How does a bird embryo grow in an egg?
- Can mice distinguish color?
- How do mealworms respond to light?
- How does an earthworm react to light and darkness?
- Do different kinds of caterpillars eat different amounts of food?
- Do mint plants repel insects?
- What color of flowers attract hummingbirds best?
- What colors attract moths and other insects at night?
- Does temperature affect the flash rate of fireflies?
- At what rate do pets drink water?
- What is the effect of temperature on the activity of (mealworms, crickets, etc.)?
- What saddle pad material, cotton, fleece or polyester, will keep the horse coolest after a 20 minute workout?
- What do ants need in an "ant farm" to sustain a colony?
- What kind of insects eat tomato leaves faster than another kind?
EARTH SCIENCE-
- Does the moon rise every night at the same time and in the same location?
- How accurate are long-range weather forecasts?
- Is rainwater absorbed at the same rate in different kinds of soil?
- From which direction does the wind blow most frequently?
- How warm is it under the snow?
- How do you create a working sun dial to tell time? How accurate or inaccurate is it?
- How long does it take for condensation to form when a chilled bottle of water is put out at room temperature (measure temp and time)?
- What ordinary substances freeze fastest?
HUMAN BODY-
- Which grows faster, body hair or scalp hair?
- How do fingerprints differ?
- Do all people have the same normal body temperature?
- Are certain dominant traits exhibited in the same family?
- Who has bigger hands, boys or girls?
- How accurately can you tell the temperature of an object by touch?
- Who are generally taller, boys or girls?
- How fast do muscles get tired?
PHYSICAL SCIENCE -
- What is the effect of heat when dissolving sugar? Salt?
- Why is salt put on icy sidewalks?
- What is the acidity of various household products?
- How fast do fabrics burn?
- What kind of materials can put out a fire?
- DO CRYSTALS HAVE THE SAME SHAPE?
- How much of the air is oxygen?
- Can seawater be "desalted" by freezing?
- How is the strength of a magnet affected by glass, cardboard and plastic?
- What is the best shape for a kite?
- How does a pulley help you work?
- How does the use of paint prevent the formation of rust?
- Which holds two materials together better, a screw or a nail?
- Do all objects fall at the same speed?
- How does the weight of a pendulum affect the swing?
- How is the distance a cart rolls affected by the mass in the cart?
- On what kind of surface will a ball roll fastest?
- Which kind of metal conducts heat best?
- Does sound travel best through solid, liquid or gas?
- What materials provide the best insulation?
- What is the effect of temperature on the volume of air?
- How does the length of a vibrating body affect sound?
- How does the design of a paper airplane affect its flight?
- What makes various materials float, such as differences between wood, plastic, styrofoam, etc?
CONSUMER SCIENCE -
- Which chewing gum holds its flavor the best?
- Which detergent breaks up oil best?
- How does the absorption rate of various paper towels differ?
- Which detergent makes the most bubbles?
- How does the wattage of a light bulb affect energy use?
- What are 2 reasons the US government has phased out regular filament light bulbs in favor of halogen lighting and what are the benefits and risks of halogen lighting?
- Which brand of glue holds two boards together best?
- Which brand of popcorn pops fastest?
- Which type of battery makes toys run longest?
- Which type of diaper holds the most water?
What are some original ideas for a fourth grade science project?
There are lots of ideas for a 4th grade science project. One example is studying the solar system, learning about each planet that orbits Earth and the sun.
A good job fair is one that has many potential employers that are looking for workers with a wide variety of talents and degrees. It is well advertised and includes many people so that both employers and potential employees are reached.
What facts affect seed germination?
Heat, moisture, and airflow. Some seeds also need light to germinate.
