Evaluation
Tamil Nadu Board Science Solutions for Exercise - Evaluation
Simple step-by-step solutions to Evaluation questions of Matter Around Us from Tamil Nadu Board Class 7 Science Term 1. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Evaluation with Hints & Solutions
Write down the properties of metalloids.
Rewrite the sentence in correct form.
Element contains two or more kinds of atoms and compounds contains only one kind of atom.
Akash noticed that the metal latch on gate was difficult to open during hot sunny days. However, this same latch was not difficult to open at night. Akash observed that the latch and the gate are exposed to the sun during the day.
(A) Formulate a hypothesis based on the information provided.
(B) Briefly state how you would test the hypothesis stated in (a).
What changes take place in the movement and arrangement of particles during heating process?
In the diagram below, the circle, square and triangle represent the atoms of different elements.
Identify how many molecules of an element and molecules of a compound are present in the given diagram.
In the diagram below, identify all combinations that represent a molecule of a compound.
In the diagram below, identify all combinations that represent a molecule of an element consisting of two atoms.
In the diagram below, identify all the combinations that represent a molecule of an element consisting of three atoms.
