The temperature in an air-conditioner room is 25°C. The temperature in degrees Fahrenheit is ……°F

A window pane has an area 1 m². If coefficient of linear expansion glass is 9x10^-6/°C, what is the area of the glass when temperature rises 10°C ?

How much heat is needed if 2 kg of water is heated from 10°C to 60°C? (the specific heat of water is 4.200J/kg°C)

A solution has characteristics as follows :

1. it does not change the color of red litmus paper

2. when phenolphthalein is added, the solution is colorless

3. when it is measured using pH-meter, it shows the number 4

Based on the data, we can conclude that the solution is . . .

Pair of base quantity and their unit was correct with International System is . . . .

Result of the measurement below is . . . .

Choose below this. Which is correct answer of animal classfication from high to low is . . . .

Scientist that develop binomial nomenclatur is . . . .

Based on the data below, which one is the elements ?

1. NaCl

2. C₆H₁₂O₆

3. O₂

4. Fe

5. H₂O

A method to separate mixture between liquid and solid based on their particle size is called . . .

This is characteristic change of matter

1. Usually reversible

2. New products are not formed

3. Change have no effect on the chemical bonds of moleculs of substance

4. Some changes occur when heating or cooling is done

What kind of changes correspond to that characteristic ?

On the thermometer X, the freezing oint of water at – 30^oC and the boiling water at 90^oX. 60^oX = . . . . ^oC

Why can't water used as filler of thermometer . . . .

Which is non-natural phenomenon?

Diagram shows a laboratory apparatus. What is the most accurate function for the apparatus?

Diagram above shows four eye positions while taking a reading from a measuring cylinder. Which of the eye positions will give an accurate reading?

Below are list of quantities:

1) volume 2)mass 3) density 4) luminous intensity

derived quantities are numbers...

In pandemic covid 19, we need to know about our body temperature. A tool is used to measure temperature namely…

The corona virus is the cause of the COVID 19 disease which has caused a pandemic in Indonesia and 215 other countries. The size of this virus is 400 - 900 microns (Antaranews.com).

If this virus has a size of 400 microns, the size of this virus is in millimeters shown by label…. (1 micron = 10-3 millimeter or 1/1000 millimeter)

The reading of micrometer screw below is….

Based on the pictures below, it shows…

What temperature does this thermometer show?

1. Aisha puts a metal saucepan of milk on a cooker.

Thermal (heat) energy can be transferred by conduction, convection and radiation.

Which is the main process that transfers thermal energy through the milk?