Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Science challenge for 2nd ESO B
0
%
0
0
0
Back
Restart
How can we classify matter according to composition?
Pure substance (element & compound) and Mixture (homogenous & heterogenous)
Oops!
Okay!
Put this number 0,00000000003478 m in scientific notation.
3,45·10^-11
Oops!
Okay!
How many daL are 5 kL?
500 dam
Oops!
Okay!
How are called all the change of state?
https://www.aplustopper.com/matter-change-state/
Oops!
Okay!
Karaoke time
Ok?
Oops!
Okay!
What have in common sound and light?
Both travel through waves
Oops!
Okay!
Time to play!
Who is the winner?
Oops!
Okay!
Is this an element, a compound or a mixture? I think this because...
An element.
Oops!
Okay!
Is this an element, a compound or a mixture? I think this because...
A mixture
Oops!
Okay!
How can we change 120 km/h to m/s?
Right?
Oops!
Okay!
How much is the total force and which is the direction and sense?
Yes?
Oops!
Okay!
Karaoke time
Oops!
Okay!
Which are the units in SI?
Meter, kilogram and second.
Oops!
Okay!
Say an example of a quantitative magnitude and a qualitative magnitude.
Is it OK?
Oops!
Okay!
How do we calculate the density?
d=m/V
Oops!
Okay!
Physical or chemical change? a) Burn a paper, b) Sugar solution, c) Prepare a salat, d) Rotten meat, e) Boil water, f) Ferment grape
a) Chemical, b) Physical, c) Physical, d) Chemical, e) Physical, f) Chemical
Oops!
Okay!
Say two examples of element and two of compound
True?
Oops!
Okay!
Which magnitudes did we use on CRASH project?
Position, speed, time, acceleration, force.
Oops!
Okay!
What is the first, the ligthining or the thunder?
They are at the same time.
Oops!
Okay!
Matter is...
everything that takes up space and has mass.
Oops!
Okay!
How many second are 3,6 h?
12 960 s
Oops!
Okay!
Say three examples of matter, and three elements which aren't matter.
Yes?
Oops!
Okay!
How many cm^3 are 22 m^3?
22 000 000 cm^3
Oops!
Okay!
Which is the temperature that water freezes? And in which it boils?
0 ºC and 100 ºC
Oops!
Okay!
What is a magnitude?
Any property of matter that can be measured.
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies