Science Experiments

What is Oobleck?

• Play Dough

• A mixture of cornstarch and water

• A mixture of glue and water

• A sticky substance

Does the temperature of solvent affect the rate of solubility?

• TRUE

• FALSE

Why does Coca Cola explode when make contact with Mentos?

• Because CO reacts with the Mentos

• Cause they taste nice together

• Because Hydrogen reacts with the Coca Cola

• Mentos allows the dissolved CO2 to form bubbles

Is Aluminium Foil a good heat insulator?

• TRUE

• FALSE

What are two elements used in the Elephant Toothpaste Experiment?

• Hydrogen Peroxide

• Carbon Dioxide

• Potassium Iodide

• Uranium

What is the function of salt in the Ice Cream in a Bag Experiment?

• When salt is added , it cools down the liquid to turn it into ice cream

• When salt is added , it lowers the ice's melting point

• When salt is added , it makes the ice cream salty

• When salt is added, the salt reacts with the ice, to freeze the liquid

What is the process of arranging atoms into a structured pattern to form crystals?

• Polymerization

• Fossilization

• Condensation

• Crystallization

what is Gravity?

• a fundamental force of attraction that exists between all objects with mass or energy

• pushes down objects to the ground

• makes objects fly

• a magnetic energy that pulls objects towards the Earth's core

in a baking soda volcano experiment, _____ gas is released when baking soda reacts with vinegar

When raisins are dropped into soda, why do they start to float after sinking?

• the raisins became lighter

• carbon dioxide bubbles stick to the raisins

• the water push them up

• the raisins absorb sugar