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Test Your Science Knowledge

Here are some science questions to help you test your general science knowledge. They will also show you which of the Florida, Utah, and NGSS science standards each question is testing.

The questions are chosen randomly, so this quest will be different each time.

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I wanted to test a new fertilizer, to find the best concentration for my garden. I divided my garden into four sections and put a different amount of fertilizer in each section.

My test results showed that using 10 grams of fertilizer per gallon made the plants grow faster and bigger. To follow proper scientific guidelines, what should I do next?

  1. Apply 10 grams of fertilizer per gallon to all the plants in my garden.

    No. While that might make my garden grow well, it would not provide more evidence that this was the best mixture of fertilizer
  2. Do the same experiment over again.

    Yes! Repetition is an important part of the scientific process. If my hypothesis is correct, I should get the same results every time I repeat the experiment.
  3. Do the same experiment, but use a different fertilizer.

    No. Using a different fertilizer would be testing a different variable. I wanted to find the best concentration of the original fertilizer, so testing a different fertilizer would not help with that.
  4. Publish my results, so that other scientists could replicate my experiment.

    No. Replication is an important step, but I should repeat my experiment several times to be sure that I get consistent results before I ask other scientists to try replicating it.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.2.N.1.4 Explain how particular scientific investigations should yield similar conclusions when repeated.

SC.5.N.1.3: Recognize and explain the need for repeated experimental trials.

>>> Teacher Page: Nature of Science and Dissolving


SC.8.N.1.2 Design and conduct a study using repeated trials and replication.

Utah

NGSS


3-5-ETS1-3 Plan and carry out fair tests in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved.

This is common, table salt. Is it:

  1. a rock?

    Partly correct. Table salt, also known as halite, is both a rock and a mineral.
  2. a mineral?

    Partly correct. Table salt, also known as halite, is both a rock and a mineral.
  3. Both a rock and a mineral?

    Correct. Also known as halite, table salt fits the definition of a mineraland a rock.
  4. Neither a rock nor a mineral?

    No. Table salt, also known as halite, is both a rock and a mineral.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.4.E.6.2 Identify the physical properties of common earth-forming minerals, including hardness, color, luster, cleavage, and streak color, and recognize the role of minerals in the formation of rocks.
Identifying Minerals video, learnalong
Definition of a Mineral video, checked
What is a Mineral? video, checked
Minerals Around You text page, learnalong, checked
Review Minerals-1 practice
Review Minerals-2 practice
Review Minerals-3 practice
Review Minerals-4 practice
Review Minerals-5 practice
Review Minerals-6 practice
Review Minerals-7 practice
Review Minerals-8 practice

Utah


UT.4.III.1.b Observe rocks using a magnifying glass and draw shapes and colors of the minerals.
Identifying Minerals video, learnalong
What is a Rock? video, learnalong, checked
Definition of a Mineral video, checked
What is a Mineral? video, checked
Review Minerals-3 practice
Review Minerals-4 practice
Review Minerals-5 practice
Review Minerals-6 practice
Review Minerals-7 practice
Review Minerals-8 practice

UT.8.III.1.b Observe and describe the minerals found in rocks (e.g., shape, color, luster, texture, hardness).
Identifying Minerals video, learnalong
What is a Rock? video, learnalong, checked
Definition of a Mineral video, checked
What is a Mineral? video, checked
Review Minerals-1 practice
Review Minerals-2 practice
Review Minerals-3 practice
Review Minerals-4 practice
Review Minerals-5 practice
Review Minerals-6 practice
Review Minerals-7 practice
Review Minerals-8 practice

NGSS


5-PS1-3 Make observations and measurements to identify materials based on their properties.
Definition of a Mineral video, checked
Floating Bubbles video, checked
Finding Fat in Foods video, ClosedCaptions, checked
Fireworks Colors video
Iron Cereal video, ClosedCaptions, checked
Density: Ice, Oil, and Water video, checked
Wax and Wood, part 1 video, checked
Wax and Wood, part 2 video, checked
What is a Mineral? video, checked
Identifying Minerals video, learnalong
Raw Egg or Boiled? video, checked
Making Turmeric Paper video, checked
Testing for Tannic Acid video
Acid Hunt text page
A Cool Change text page
Review Minerals-2 practice
Review Minerals-3 practice
Review Minerals-4 practice
Review Minerals-5 practice
Review Minerals-6 practice
Review Minerals-7 practice
Review Minerals-8 practice

When water freezes into ice, its volume increases. What happens to its mass?

  1. It increases.

    No. When water freezes, it takes up more space, but the mass stays the same.
  2. It stays the same.

    Yes. When water freezes, it expands to take up more space, but its mass stays the same. Mass is the measure of how much "stuff" is there. Freezing water does not create new water or add more "stuff". It just makes the water take up more space.
  3. It decreases.

    No. The mass stays the same, even when the water freezes.
  4. Water does not have mass.

    No. Everything that is made out of matter has mass.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.4.P.8.3 Explore the Law of Conservation of Mass by demonstrating that the mass of a whole object is always the same as the sum of the masses of its parts.

SC.5.P.8.1 Compare and contrast the basic properties of solids, liquids, and gases, such as mass, volume, color, texture, and temperature.

>>> Teacher Page: States of Matter

Egg States video, checked
Experimenting with Dry Ice video, free, checked
Wax and Wood, part 1 video, checked
Wax and Wood, part 2 video, checked
Ice Cream Science video, checked
Raw Egg or Boiled? video, checked
Air Space video
A Bouncing Water Balloon video
Air has Weight text page
Teach It Right the First Time. text page, free
Review Matter-2 practice
Review Matter-1 practice
Review Matter-3 practice
Review Weather-10 practice

SC.8.P.9.1 Explore the Law of Conservation of Mass by demonstrating and concluding that mass is conserved when substances undergo physical and chemical changes.
Making Butter video, free, ClosedCaptions, Updated
Review Matter-2 practice
Review Matter-6 practice

Utah


UT.5.I.1.b Compare the weight of a specified quantity of matter before and after it undergoes melting or freezing.
Ice Cream Science video, checked
Review Matter-2 practice

UT.7.I.2.a Use appropriate instruments to determine mass and volume of solids and liquids and record data.
Review Matter-2 practice

NGSS


5-PS1-2 Measure and graph quantities to provide evidence that regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is conserved.
The Difference Between Weight and Mass video, checked
Ice Cream Science video, checked
Chemical and Physical Changes video, ClosedCaptions, checked
Making Butter video, free, ClosedCaptions, Updated
Air has Weight text page
Review Matter-2 practice
Review Matter-6 practice

Which part of your body comes closest to serving the same function as a plant's roots?

  1. Mouth

    Yes! The main functions for most plant roots is to anchor it in place and to take in water and nutrients from the soil. We do not need anything to anchor us in one place, but we use our mouth to take in water and nutrients.
  2. Feet

    No. A plants roots anchor into in place, keeping it from moving. Your feet do not do that.
  3. Lungs

    No. A plant takes in air through its leaves, not through its roots.
  4. Skeleton

    No. Your skeleton supports your body and protects your organs. In plants, this is done by the cell walls. The cell wall around each cell of a plant make it stiff, supporting stems, leaves, flowers, and other parts of the plant.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.3.L.14.1 Describe structures in plants and their roles in food production, support, water and nutrient transport, and reproduction.
Heartless Plants video, ClosedCaptions, checked
Pumpkin Guts video, free, ClosedCaptions, checked
Measuring Photosynthesis video, checked
Seed Search video, ClosedCaptions, checked
Orange Slices video, ClosedCaptions
Testing a Leaf for Starch video, ClosedCaptions
Flowers video, ClosedCaptions
Smell the Flowers text page
Review Plants-3 practice
Review Plants-2 practice
Review Plants-5 practice
Review Plants-6 practice
Review Plants-7 practice
Review Plants-8 practice

SC.4.L.16.1 Identify processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.
Seed Search video, ClosedCaptions, checked
Orange Slices video, ClosedCaptions
Flowers video, ClosedCaptions
Pumpkin Guts video, free, ClosedCaptions, checked
Review Plants-3 practice
Review Plants-2 practice
Review Plants-6 practice
Review Plants-7 practice
Review Plants-8 practice

SC.5.L.14.2 Compare and contrast the function of organs and other physical structures of plants and animals, including humans, for example: some animals have skeletons for support — some with internal skeletons others with exoskeletons — while some plants have stems for support.
Reading a Skeleton video, free, checked
Orange Slices video, ClosedCaptions
Bird Bones video, free
Thoughts on an Exoskeleton text page, free
Review Plants-5 practice
Review Plants-6 practice
Review Plants-7 practice

Utah


UT.6.V.1.b Compare characteristics common in observed organisms (e.g., color, movement, appendages, shape) and infer their function (e.g., green color found in organisms that are producers, appendages help movement).

UT.7.IV.2.d Relate the structure of organs to an organism’s ability to survive in a specific environment (e.g., hollow bird bones allow them to fly in air, hollow structure of hair insulates animals from hot or cold, dense root structure allows plants to grow in compact soil, fish fins aid fish in moving in water).
Bendable Bones video, checked
Calling a Woodpecker video, checked
Selective Smelling video, checked
Seed Search video, ClosedCaptions, checked
Orange Slices video, ClosedCaptions
Flowers video, ClosedCaptions
Onion Crystals video
Hunting with an Umbrella video, free, ClosedCaptions, Updated
Thoughts on an Exoskeleton text page, free
Review Plants-5 practice
Review Plants-6 practice
Review Plants-7 practice

NGSS


MS-LS1-1 Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.
Microscopes: Making a Hay Infusion video, free, learnalong, checked
Microscopes: Making a Wet Mount video, learnalong, checked
Microscopes: Making a Dry Mount video, learnalong, checked
901 photo challenge, free

When you mix cornstarch and water, you get something that many science sites call Oobleck. Under pressure, it feels like a solid, but when the pressure is removed, it flows like a liquid. What state of matter is it?

Answer:

This is a mixture, made up of particles of solid matter surrounded by a liquid. The mixture is not a single state of matter.

This is an important concept to understand, and it is seen in many things we use every day. A good example is the Egg States video, showing how a mixture of liquid and gas can seem to be a solid.

Before you try to decide if something is solid, liquid, gas, plasma, or some other state of matter, first make sure that it is a pure substance, and not a mixture of different states.

Learn more about the science of cornstarch and water here.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.2.P.8.2 Identify objects and materials as solid, liquid, or gas.
Experimenting with Dry Ice video, free, checked
Ice Cream Science video, checked
Raw Egg or Boiled? video, checked
Air Space video
Egg States video, checked
Teach It Right the First Time. text page, free
Review Matter-3 practice

SC.5.P.8.1 Compare and contrast the basic properties of solids, liquids, and gases, such as mass, volume, color, texture, and temperature.

>>> Teacher Page: States of Matter

Egg States video, checked
Experimenting with Dry Ice video, free, checked
Wax and Wood, part 1 video, checked
Wax and Wood, part 2 video, checked
Ice Cream Science video, checked
Raw Egg or Boiled? video, checked
Air Space video
A Bouncing Water Balloon video
Air has Weight text page
Teach It Right the First Time. text page, free
Review Matter-2 practice
Review Matter-1 practice
Review Matter-3 practice
Review Weather-10 practice

SC.8.P.8.1 Explore the scientific theory of atoms (also known as atomic theory) by using models to explain the motion of particles in solids, liquids, and gases.
Egg States video, checked
Experimenting with Dry Ice video, free, checked
Ice Cream Science video, checked
Expansion of Solids video, ClosedCaptions, checked
A Bouncing Water Balloon video
Review Matter-1 practice
Review Matter-3 practice

Utah


UT.5.I.2.a Identify the physical properties of matter (e.g., hard, soft, solid, liquid, gas).
Egg States video, checked
Experimenting with Dry Ice video, free, checked
Wax and Wood, part 1 video, checked
Wax and Wood, part 2 video, checked
Ice Cream Science video, checked
Raw Egg or Boiled? video, checked
Crushed Can video, checked
A Bouncing Water Balloon video
Review Matter-1 practice
Review Matter-3 practice

NGSS

The questions are chosen randomly, so this quest will be different each time.

Get 5 more random questions.

Would you rather see the most recently added questions?



See which questions, videos, experiments, and other resources support each of your local science standards.