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Experiments
Forms of Measurement
Class 8 Science Experiments
Inventors and Scientists
Math in Science
100

The thing in an experiment that you change in order to see the effects.

What is a variable?

100

This is a tool you could use to measure the length of something?

What is a ruler, meter tape, measuring tape, yard stick, etc.

100
What is another word for a swinger?
What is a pendulum?
100
The lightbulb.
Who is Thomas Edison?
100
Wood has a density of 0.5 g/cc. Water has a density of 1.0 g/cc. Therefore _________ is more dense than ___________.
What is water is more dense than wood?
200
When you do an experiment, how many variables should you change at one time?
What is only one?
200

This is a tool you can use to measure the amount of heat in something.

What is a thermometer?

200
What is another word for a flipper?
What is a catapult?
200
The brothers who invented the first airplane to achieve flight.
Who are the Wright Brothers?
200
25 pennies can fit in a paper boat that is 2 1/2 centimeters tall. You should expect _________ pennies to fit in a similar paper boat where the only difference is that it is 3 centimeters tall.
What is more pennies? (The larger the boat, the more pennies that can fit.)
300
When you make an educated guess as to what will happen in an experiment, this is called a...
What is a hypothesis?
300
This is a tool you can used to measure the mass of something.
What is a balance or other type of scale?
300
What did you need to twist in order to make the airplane fly along a fishing line?
What is the propeller, or the rubber band?
300
Judy puts 130 mL of water in cup A and 200 mL of water in cup B. This is how much more water is in cup B compared to cup A.
What is 70 mL more?
400

After you do an experiment and you observe what happened, you can make a...

What is a conclusion?

400

This is a tool you can use to measure the volume (how much space something takes up) of a liquid.

What is a beaker, measuring cup, graduated cylinder, etc.

400
The shorter the pendulum, the _________ times it swung back and forth in 15 seconds.
What is more?
400
He invented the telephone.
Who is Alexander Graham Bell?
400
Archimedes fills a tub with water. He places a crown completely under the water and 1 liters of water pours out of the top of the tub. The volume of the crown was _________ milliliters.
What is 1,000? (1,000 X 1)
500
You can test your hypothesis by doing an...
What is an experiment?
500
This is a measure of how tightly packed together something is. For example, gold is more tightly packed together than whipped cream.
What is density?
500
In the penny boat experiment, this is why we only used pennies made in 1983 and after.
What is because pennies made before 1983 weigh a different amount.
500
This famous Greek scientists figured out how to determine if a crown was made of real gold?
Who is Archimedes?
500
Jill planted 5 rows of seeds. In each row, there were 3 corn seeds and 4 sunflower seeds. How many seeds did she plant in total?
What is 35? (5 X (3 + 4)) = (5 X 7) = 35