Grade 2 :Mid-term 1 Review

Who studies science to do experiments?

• a scientist

• a teacher

• a policeman

What do scientists use to make things bigger and clearer when observing?

• a ruler

• pen

• hand lens

What can a ruler do?

• to measure how long or tall something is

• to tell if two things are balanced

• to see things bigger

You want to find out how two things are alike and different? What should you do?

• collect

• record

• compare

When the solution does not solve the problem, what should you do?

• test

• change

• plan

Scientists do this to remember all the things they observe.

• record

• chart

• test

_____________ are needed to design/make your solution.

• Materials

• Choose

• Chart

When there is a …………, it means something is wrong.

• solution

• problem

• answer

Why do you use your tongue?

• to smell

• to taste

• to touch

Why do you use your nose?

• to taste

• to smell

• to see