year 7 Science Homework Week 5
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Last updated about 4 years ago
13 questions
1
Which substance is made of only one type of atom?
Which substance is made of only one type of atom?
1
Which substances contain two or more different types of atoms chemically bonded together?
Which substances contain two or more different types of atoms chemically bonded together?
1
What is the smallest part of an element that can exist?
What is the smallest part of an element that can exist?
1
What does diatomic means?
What does diatomic means?
1
How would you separate compounds?
How would you separate compounds?
1
What is a “pure substance”?
What is a “pure substance”?
1
What type of substance contains only two or more types of atom that are chemically bonded?
What type of substance contains only two or more types of atom that are chemically bonded?
1
What type of substance contains only one type of atom?
What type of substance contains only one type of atom?
1
How would you separate mixtures?
How would you separate mixtures?
1
Which process transports minerals against the concentration gradient.
Which process transports minerals against the concentration gradient.
1
Diffusion is the spreading out of particles resulting in a net movement from an area of ..................... to an area of low concentration
Diffusion is the spreading out of particles resulting in a net movement from an area of ..................... to an area of low concentration
1
the difference between an area of higher concentration and an area of lower concentration is known as a.........
the difference between an area of higher concentration and an area of lower concentration is known as a.........
1
increasing the................... increases the rate of diffusion
increasing the................... increases the rate of diffusion