Matter
Chemistry
Forces
Energy
Random
100

What is the phase change called when liquid changes to gas?

Evaporation

100

Name one thing that will make sugar dissolve faster in water.

stirring, more water, break apart, heat

100

Do 2 south poles of a magnet attract or repel each other?

Repel

100

Where is potential energy the highest?

highest point

100

What is the largest planet in our solar system?

Jupiter

200

Explain if boiling is a physical or chemical change and WHY

physical - only changing state of matter, still have the same substance

200

What scientific model can be used to predict the characteristics of chemical elements?

the Periodic Table

200

What will happen to the acceleration of a cart if you apply more force?

Acceleration will increase

200

Give an example of a renewable source of energy.

wind, solar

200

How many teeth does an adult human have?

32

300

Give an example of a solution.

kool aid

300

What is one substance made during cellular respiration?

carbon dioxide, water, energy

300

What is Newton's first law?

an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an external force...aka inertia

300

How could you increase the kinetic energy of a ball?

faster or more massive

300

Dolly was the first ever living creature to be cloned. What type of animal was she?

sheep

400

Is sodium chloride (NaCl) an element, mixture, or compound?

compound

400

True or false: similar elements are organized in horizontal rows.

False - vertical columns

400

What type of force slows things down when they are sliding or rolling?

Friction

400

What type of energy is stored in a battery?

Chemical

400

What is the name of the thigh bone?

Femur

500

Give an example of a chemical change.

fireworks, frying an egg, rusting iron

500

What do green plants make in the process of photosynthesis?

glucose, oxygen

500

What force causes a 3 kilogram object to accelerate at 2 meters/second2? (Force = mass x acceleration)

a 6 Newton force

500

What is the law of conservation of energy?

energy cannot be created or destroyed, only changed from one form to another

500

How many hearts does an octopus have?

3