Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: Evaluation
Tamil Nadu Board Science Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: Evaluation
Attempt the free practice questions on Chapter 3: Matter Around Us, Exercise 1: Evaluation with hints and solutions to strengthen your understanding. Tamil Nadu Board Class 7 Science Term 1 solutions are prepared by Experienced Embibe Experts.
Questions from Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: 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.
