Show:
Questions
Responses
Print
What is science?
Types and States of Matter
Atoms, Periodic Table and Radioactivity
Interaction of Matter
wild card
100
What are the to different branches of science
Pseudo science and physical science
100
what are the 4 state of matter?
solid, liquid, gas, and plasma.
100
Name the first four elements?
Hydrogen, Helium, Lithium, and Beryium
100
If a number is in 3 in the pH scale what is it acid or base?
acid
100
True or false? when baking soda and vinegar mix they produce a chemical change
true
200
What is Pseudo science and give a example?
Pseudo science is the fake science that when you tried it you won't get the same results. T.V comercials
200
what state is water after being putted in cooler?
it turns into a solid.
200
What is the atomic structure of a atom?
Proton, Neutron, Electron
200
Is vinegar a acid or base?
acid
200
Give two examples of a physical change?
pieces of paper, broken glass.
300
What is Physical science? Give and Example
Physical science is the true science that when you test it you can get the same result all over again
300
what happen when we heat the ice cube?
it turns into a liquid
300
what are the three three types of radiation?
Alpha particles, beta particles, and gamma rays.
300
When vinegar and baking soda mix what do they form
water pH7
300
Give two examples of chemical change?
Burn paper, baking soda mix with vinegar
400
What is the scientific method and which are the step?
purpose, hypothesis, materials, procedure, data, conclusion
400
Matter is anything that takes up ____________.
space
400
what is the half life of uranium 238?
alpha decay: 1000000000
400
What the pH number of hydrochloric acid?
0
400
Which is the biggest desert?
Saharah Desert
500
What is a scientific notation?
a method of expressing a quantity as a number multiply by ten to a appropriate power
500
what is a trait of plasma? Whats the name of the condensation of a gas?
its a emit light, sublination
500
what is a an isotopes? Give 3 examples.
isotopes are atoms of the same element with different numbers of neutrons. 1. carbon 14 2. uranium 238 3. oh+
500
When a base and acid of the same strength mix what happens?
They form water
500
Which is the coldest desert?
Antertida