Year 8 Science Digital Flashcard

Year 8 Science Digital Flashcard

Assessment

Flashcard

•

Science

•

7th Grade

•

Practice Problem

•

Medium

Created by

Shauna McCloskey

Used 2+ times

FREE Resource

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50 questions

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1.

FLASHCARD QUESTION

Front

Which part of the cell controls its activities?

Media Image

Back

Nucleus

Answer explanation

The nucleus is the control center of the cell, regulating its activities by storing genetic information and coordinating cell functions such as growth, metabolism, and reproduction.

2.

FLASHCARD QUESTION

Front

Which cell structure is found only in plant cells?

Media Image

Back

Cell wall

Answer explanation

The cell wall is a structure found only in plant cells, providing support and protection. In contrast, the nucleus, cell membrane, and mitochondria are present in both plant and animal cells.

3.

FLASHCARD QUESTION

Front

Which unit is used to measure force?

Back

Newtons

Answer explanation

Force is measured in Newtons, which is the standard unit in the International System of Units (SI). Grams and kilograms measure mass, while litres measure volume, making Newtons the correct choice for force.

4.

FLASHCARD QUESTION

Front

Which of the following is a non-contact force? Friction, Air resistance, Gravity, Tension

Media Image

Back

Gravity

Answer explanation

Gravity is a non-contact force that acts at a distance, pulling objects toward each other without physical contact. In contrast, friction, air resistance, and tension require contact between surfaces or objects.

5.

FLASHCARD QUESTION

Front

Where does fertilisation usually take place in humans?

Media Image

Back

Fallopian tube

Answer explanation

Fertilisation in humans typically occurs in the Fallopian tube, where the sperm meets the egg after ovulation. The ovary produces the egg, but fertilisation itself happens in the Fallopian tube before the embryo moves to the uterus.

6.

FLASHCARD QUESTION

Front

Which of these is a male reproductive cell? Egg, Sperm, Embryo, Zygote

Back

Sperm

Answer explanation

The male reproductive cell is the sperm, which is responsible for fertilizing the female egg. The egg is the female reproductive cell, while the embryo and zygote are stages of development after fertilization.

7.

FLASHCARD QUESTION

Front

What do you call a substance that dissolves in a liquid?

Media Image

Back

Solute

Answer explanation

A substance that dissolves in a liquid is called a solute. The liquid that does the dissolving is known as the solvent, while the combination of solute and solvent forms a solution.

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